Pediatric Rapid Fire Abstract Session

Moderator(s)

• 

  Caitlin Hoffman, MD

  Associate Professor
  Weill Cornell Medicine, New York Presbyterian
  New York, New York, United States
• 

  Sze Chun Winson Ho, MD

  Assistant Professor
  UCSF
  San Francisco, California, United States

Presentations:

• 3:30 PM – 3:31 PM CT

  Introduction
  

  Moderator: Caitlin E. Hoffman, MD – Weill Cornell Medicine, New York Presbyterian
• 3:31 PM – 3:33 PM CT

  Primary Pediatric Brain Tumors in the African Continent: A Systematic Literature Review and Proposed Solutions for Resource-Limited Environments
  

  Presenting Author: Sukul Mittal, BS (she/her/hers) – UT Southwestern Medical Center

  Co-Author: Umaru Barrie, PhD – UT Southwestern Medical Center

  Co-Author: Ali Ebada, BS – UT Southwestern Medical Center

  Co-Author: Michael Farid, BSE (he/him/his) – Weill Cornell Medicine

  Co-Author: Ammar Haider, MBBS – CMH LMC, Lahore, Pakistan

  Co-Author: Abigail Jenkins, BA – UT Southwestern Medical Center

  Co-Author: Ishav Shukla, B.S. – UT Southwestern

  Co-Author: Teddy T. Totimeh, MD – University of Ghana Medical Centre
• 3:33 PM – 3:35 PM CT

  Prognostic Utility of Age Stratification and Radiotherapy Dosage in Pediatric Diffuse Midline Gliomas, H3 K27-altered
  

  Presenting Author: Yufan Yang (he/him/his) – Northwestern University Feinberg School of Medicine; Lurie Children's Hospital of Chicago

  Co-Author: Daniel Brat, MD, PhD – Northwestern University Feinberg School of Medicine

  Co-Author: Michael DeCuypere, MD, PhD (he/him/his) – Lurie Childrens Hospital of Chicago

  Co-Author: Sachin Govind, BS (he/him/his) – Feinberg School of Medicine

  Co-Author: Roger Stupp, MD – Northwestern Medicine Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University

  Co-Author: Nitin Wadhwani, MD – Lurie Childrens Hospital of Chicago
• 3:35 PM – 3:37 PM CT

  Louise Eisenhardt Resident Travel Scholarship Award: Regional and Socioeconomic Factors Impacting Pediatric Victims of Cranial Gunshot Wounds: Analysis of the Kids’ Inpatient Database (KID)
  

  Presenting Author: Elise Yoon, DO – Michigan State University

  Co-Author: Leopold Arko, MD – Wayne State University

  Co-Author: Yasmeen Berry, BS – Wayne State University

  Co-Author: Matthew T. Brennan, BS (he/him/his) – Wayne State University

  Co-Author: Michael Cools, MD – Wayne State University

  Co-Author: Enoch Kim, BS – Wayne State University

  Co-Author: Michael Melhem, BA (he/him/his) – Wayne State University
• 3:37 PM – 3:39 PM CT

  Financial Toxicity in Pediatric Neurosurgical Oncology
  

  Presenting Author: Alexandra M. Giantini Larsen, MD – Department of Neurological Surgery, Weill Cornell Medicine

  Co-Author: Samantha Brown, MS – Department of Epidemiology & Biostatistics, Memorial Sloan Kettering Cancer Center

  Co-Author: Jeffrey P. Greenfield, MD, PhD – Weill Cornell Medicine, New York Presbyterian Hospital

  Co-Author: Caitlin E. Hoffman, MD – Weill Cornell Medicine, New York Presbyterian

  Co-Author: Christopher Newman, MD (he/him/his) – Memorial Sloan Kettering Cancer Center

  Co-Author: Anne Reiner, MPH – Department of Epidemiology & Biostatistics, Memorial Sloan Kettering Cancer Center,

  Co-Author: Mark Souweidane, MD – Weill Cornell Medicine, New York Presbyterian Hospital
• 3:39 PM – 3:41 PM CT

  Predictors of Return-to-Learn Duration After Sport-Related Concussion in Adolescent Athletes
  

  Presenting Author: John E. Dugan, BA – University of Tennessee Health Science Center College of Medicine

  Co-Author: Paul D. Berkner, DO – University of New England

  Co-Author: Grant L. Iverson, PhD – Harvard Medical School

  Co-Author: Jacob Jo, B.A. – Vanderbilt University School of Medicine

  Co-Author: Grant H. Rigney, MSc – Harvard Medical School

  Co-Author: Douglas P. Terry, PhD – Vanderbilt University Medical Center

  Co-Author: Kristen L. Williams, M.S., L.A.T., A.T.C. – Vanderbilt University Medical Center

  Co-Author: Scott L. Zuckerman, MD, MPH (he/him/his) – Vanderbilt University Medical Center
• 3:41 PM – 3:43 PM CT

  Hospital Teaching Status Influence on Pediatric Gunshot Wounds to the Head Outcomes: A National Trauma Data Bank Study
  

  Presenting Author: Courtney Deaver, BS – University of Arizona College of Medicine, Neurosurgery Department, Phoenix AZ

  Presenting Author: Annie Pico, BA – University of Arizona College of Medicine, Neurosurgery Department, Phoenix AZ

  Co-Author: Robert W. Bina, MD – University of Arizona College of Medicine, Neurosurgery Department, Phoenix AZ

  Co-Author: Sofia Fabrega, B.S. – The University of Arizona College of Medicine - Phoenix

  Co-Author: Peter Nakaji, MD – University of Arizona College of Medicine, Neurosurgery Department, Phoenix AZ

  Co-Author: Daniel Pietz, MS – University of Arizona College of Medicine - Phoenix, Department of Neurosurgery

  Co-Author: Kevin Zhao, MD – University of Arizona College of Medicine – Phoenix, Banner University Medical Center
• 3:43 PM – 3:45 PM CT

  Intra-Arterial Chemotherapy for Newly Diagnosed Residual or Recurrent Atypical Choroid Plexus Papilloma and Choroid Plexus Carcinoma Prior to Second-Look Surgery
  

  Presenting Author: Alexandra M. Giantini Larsen, MD – Department of Neurological Surgery, Weill Cornell Medicine

  Co-Author: Andrew Garton, MD – Weill Cornell Medical Center

  Co-Author: Pierre Gobin, MD – New York Presbyterian Hospital

  Co-Author: Jared Knopman, MD – Weill Cornell Medical Center

  Co-Author: David Pisapia, MD – Weill Cornell Medical Center, New York Presbyterian Hospital

  Co-Author: Rashi Rangaraj, n/a – Weill Cornell Medical Center

  Co-Author: Colleen Sanders, NP – Weill Cornell Medical Center

  Co-Author: Mark Souweidane, MD – Weill Cornell Medicine, New York Presbyterian Hospital

  Co-Author: Apostolos John Tsiouris, MD – Weill Cornell Medical Center, New York Presbyterian Hospital
• 3:45 PM – 3:47 PM CT

  The Impact of Social Factors on Outcomes Following Pediatric Neuro-Oncology Surgery in the United States: A Systematic Review and Meta-Analysis
  

  Presenting Author: Neerav Kumar, AB (he/him/his) – Weill Cornell Medical College

  Co-Author: Izzet Akosman, BS – Weill Cornell Medical College

  Co-Author: Caitlin E. Hoffman, MD – Weill Cornell Medicine, New York Presbyterian

  Co-Author: Ibrahim Hussain, MD – Department of Neurological Surgery, Weill Cornell Medical College

  Co-Author: Abhinav Kumar, n/a – Stanford University

  Co-Author: Cooper Lathrop, BS – Robert Wood Johnson Medical School

  Co-Author: Jeffrey Shi, BS – Weill Cornell Medical College

  Co-Author: Graham Winston, MD – Department of Neurological Surgery, Weill Cornell Medicine

  Co-Author: Grace Xu, BSE – Princeton University
• 3:47 PM – 3:49 PM CT

  Disparities in Indications and Outcomes Reporting for Pediatric Tethered Cord Surgery: The Need for a Standardized Outcome Assessment Tool
  

  Presenting Author: Vijay M. Ravindra, MD, MSPH – Naval Medical Center San Diego

  Co-Author: Matt Findlay, n/a – University of Utah

  Co-Author: Douglas Brockmeyer, MD (he/him/his) – University of Utah

  Co-Author: David Gonda, MD – Rady Children's Hospital

  Co-Author: Rajiv R. Iyer, MD – University of Utah

  Co-Author: Michael P. Kelly, MD – Rady Children's Hospital

  Co-Author: John R.W. Kestle, MD – University of Utah

  Co-Author: Sam Tenhoeve, BA – University of Utah

  Co-Author: Skyler Terry – University of Utah
• 3:49 PM – 3:51 PM CT

  Differences in clinical characteristics of older (> 9 years old) versus younger (< 9 years old) pediatric patients undergoing decompression for Chiari I Malformation
  

  Presenting Author: Huy Q. Dang, AB (he/him/his) – Baylor College of Medicine

  Co-Author: Prazwal Athukuri, BS – Baylor College of Medicine

  Co-Author: David F. Bauer, MD, MPH – Texas Children's Hospital

  Co-Author: Collin English, BS – Baylor College of Medicine

  Co-Author: Alex Flores, MD – Baylor College of Medicine Neurosurgery

  Co-Author: A Basit Khan, MD – Baylor College of Medicine
• 3:51 PM – 3:53 PM CT

  The Microsurgical Treatment of Brainstem Cavernous Malformations in the Pediatric Population
  

  Presenting Author: Stefan W. Koester, n/a – Vanderbilt University School of Medicine

  Co-Author: Joshua Catapano, MD – Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, 85013, Arizona, USA

  Co-Author: Joelle N. Hartke, MD – Barrow Neurological Institue

  Co-Author: Michael T. Lawton, MD – Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, 85013, Arizona, USA

  Co-Author: John Mailolo, BS – Barrow Neurological Institue

  Co-Author: Redi Rahmani, MD – Barrow Neurological Institue

  Co-Author: Lea Scherschinski, MD – Barrow Neurological Institue
• 3:53 PM – 3:55 PM CT

  Do patients with Chiari I Malformation and craniocervical instability present differently and have different outcomes? A comparison study
  

  Presenting Author: Prazwal Athukuri, BS – Baylor College of Medicine

  Co-Author: David F. Bauer, MD, MPH – Texas Children's Hospital

  Co-Author: Huy Q. Dang, AB (he/him/his) – Baylor College of Medicine

  Co-Author: Collin English, BS – Baylor College of Medicine

  Co-Author: Alex Flores, MD – Baylor College of Medicine Neurosurgery

  Co-Author: A Basit Khan, MD – Baylor College of Medicine
• 3:59 PM – 4:09 PM CT

  Discussion
  

  Moderator: Sze Chun Winson Ho, MD – UCSF
• 4:09 PM – 4:13 PM CT

  Lumbar Vertebral Body Tethering: Outcomes and Reoperations in a Consecutive Series of 106 patients
  

  Presenting Author: Alan Stein, MD – Shriners Hospital for Children

  Co-Author: Steven Hwang, MD – Shriners Children’s-Philadelphia

  Co-Author: Terrence Ishmael, MD – Shriners Hospital for Children

  Co-Author: Zan Naseer, MD – Shriners Hospital for Children

  Co-Author: Emily Nice, BS – Shriners Hospital for Children

  Co-Author: Joshua Pahys, MD – Shrin

  Co-Author: Amer Samdani, MD – Shriners Hospital for Children

  Co-Author: Alexander J. Schupper, MD – Mount Sinai Health System
• 4:13 PM – 4:17 PM CT

  Astrocyte priming promotes enhanced cortical synchrony and increased network bursting in response to perinatal cytokine exposure
  

  Presenting Author: Marc Carmichael, PhD (he/him/his) – Stanford University School of Medicine

  Submitter: Marc Carmichael, PhD (he/him/his) – Stanford University School of Medicine

  Co-Author: Theo Palmer, PhD – Stanford University School of Medicine

  Co-Author: Jacob Umans, n/a – Stanford University School of Medicine
• 4:17 PM – 4:19 PM CT

  Blood Conservation Strategies and Surgical Techniques in Pediatric Neurosurgery: A Systematic Review and Meta-Analysis
  

  Presenting Author: Sanjay V. Neerukonda, BS (he/him/his) – McGovern Medical School

  Co-Author: Soummitra Anand, BSA (she/her/hers) – UT Southwestern Medical Center

  Co-Author: Salah G. Aoun, MD – UT Southwestern Medical Center

  Co-Author: Faraaz A. Azam, BS (he/him/his) – UT Southwestern Medical Center

  Co-Author: Momodou G. Bah, MPH – Michigan State University School of Medicine

  Co-Author: Umaru Barrie, PhD – UT Southwestern Medical Center

  Co-Author: Bruno Braga, MD – UT Southwestern Medical Center

  Co-Author: Michael Farid, BSE (he/him/his) – Weill Cornell Medicine

  Co-Author: Sukul Mittal, BS (she/her/hers) – UT Southwestern Medical Center
• 4:19 PM – 4:21 PM CT

  CMV Infection degree in Medulloblastoma patients: a novel predictor of survival. A single-center study in Germany.
  

  Presenting Author: Maria F. De la Cerda Vargas, MD (she/her/hers) – Section of Pediatric Neurosurgery. Department of Neurosurgery and Neurotechnology

  Co-Author: Martin Ebinger, n/a

  Co-Author: Jens Schittenhelm, n/a – Institute of Pathology and Neuropathology.

  Co-Author: Martin U. Schuhmann, n/a – Department of Neurosurgery and Neurotechnology, Universitätsklinik Tübingen

  Co-Author: Marcos S. Tatagiba, n/a – Department of Neurosurgery and Neurotechnology. Universitätsklinik Tübingen.
• 4:21 PM – 4:23 PM CT

  Dexamethasone Use in Pediatric Neurosurgical Trauma: A Systematic Review of the Current Literature
  

  Presenting Author: Ezi Kalunta-Crumpton, B.S, M.D Candidate (she/her/hers) – UT Southwestern Medical Center

  Co-Author: Umaru Barrie, PhD – UT Southwestern Medical Center

  Co-Author: Bruno Braga, MD – UT Southwestern Medical Center

  Co-Author: Sanjay V. Neerukonda, BS (he/him/his) – McGovern Medical School

  Co-Author: Parker Smith, BS – UT Southwestern

  Co-Author: Pooja Venkatesh, BS (she/her/hers) – UT Southwestern Medical Center
• 4:23 PM – 4:25 PM CT

  Management of Thoracic Outlet Syndrome in Children
  

  Presenting Author: P. David Adelson, MD, FAAP, FACS, FAANS – Rockefeller Neuroscience Institute at WVU Medicine

  Co-Author: Jorge Arango, MD – Phoenix Children's Hospital

  Co-Author: Alexandra Bonnell, BA – Tulane University
• 4:25 PM – 4:27 PM CT

  Machine Learning for Enhanced Prognostication: Predicting 30-Day Outcomes Following Posterior Fossa Decompression Surgery in a Pediatric Cohort with Chiari Malformations
  

  Presenting Author: Victor El-Hajj, BS – Karolinska Institutet

  Co-Author: Edward Ahn, MD – Mayo Clinic Rochester

  Co-Author: Umberto Battistin, MBBS – Mayo Clinic, Rochester MN

  Co-Author: Mohamad Bydon, MD, FAANS – Mayo Clinic

  Co-Author: David J. Daniels, MD, PhD (he/him/his) – Mayo Clinic Rochester

  Co-Author: adrian Elmi-Terander, MD – Karolinska

  Co-Author: Abdul Karim Ghaith, MD – Mayo clinic- rochester-mn

  Co-Author: Harry Hoang, MD – Mayo Clinic Rochester
• 4:27 PM – 4:29 PM CT

  Zero echo-time magnetic resonance imaging (ZTE-MRI) for pediatric spine pathology: a novel radiation free approach
  

  Presenting Author: Kevin K. Kumar, MD, PhD – Division of Pediatric Neurosurgery, Lucile Packard Children’s Hospital at Stanford

  Co-Author: Arokoruba O. Cheetham-West, BS – Stanford University School of Medicine

  Co-Author: Mark Golchehreh, n/a – Division of Pediatric Radiology, Lucile Packard Children’s Hospital at Stanford

  Co-Author: Kelly Mahaney, MD – Division of Pediatric Neurosurgery, Lucile Packard Children’s Hospital at Stanford

  Co-Author: Cormac O. Maher, MD – Division of Pediatric Neurosurgery, Lucile Packard Children’s Hospital at Stanford

  Co-Author: Laura M. Prolo, MD, PhD – Division of Pediatric Neurosurgery, Lucile Packard Children’s Hospital at Stanford

  Co-Author: Elizabeth Tong, MD – Stanford University

  Co-Author: Kristen Yeom, MD – Department of Radiology, Phoenix Children’s Hospital
• 4:29 PM – 4:31 PM CT

  Outcomes of Stereoelectroencephalography following Failed Epilepsy Surgery in Children
  

  Presenting Author: Georgia Wong, MS – Georgetown University School of Medicine
• 4:31 PM – 4:33 PM CT

  Identifying Leptomeningeal Dissemination in Patients with Medulloblastomas: Cerebrospinal Fluid Cytology Compared to Magnetic Resonance Imaging
  

  Presenting Author: Zain Peeran, BS – UCSF

  Co-Author: Alexander A. Aabedi, MD – Department of Neurological Surgery, University of California, San Francisco

  Co-Author: Manish Aghi, MD, PhD – UCSF

  Co-Author: Edward Fisher, n/a – UCSF

  Co-Author: Nalin Gupta, MD, PhD – UCSF

  Co-Author: Harmon Khela, BS – UPenn

  Co-Author: Cassie Kline, MD, MAS – UPenn

  Co-Author: Ryan Phelps, MD – UCSF

  Co-Author: Alyssa Reddy, MD – UCSF

  Co-Author: Jennifer Rios, BS – UCSF
• 4:33 PM – 4:35 PM CT

  Environmental Factors of Pediatric Brain Tumor Rates: Investigating Air Quality and Lead Exposure
  

  Presenting Author: Syed A. Sarwar, B.A. – Hackensack-Meridian Jersey Shore University Medical Center, Department of Neurosurgery

  Co-Author: Julia Botvinov, n/a – Hackensack-Meridian School of Medicine

  Co-Author: Nicholas D. Cassimatis, n/a – Hackensack-Meridian School of Medicine

  Co-Author: Jasdeep Hundal, PsyD – Hackensack Meridian Jersey Shore University Medical Center, Department of Neuropsychology

  Co-Author: Shreyes Manivel, n/a – Hackensack-Meridian School of Medicine

  Co-Author: Geoffrey R. O'Malley, Jr. – Hackensack-Meridian School of Medicine

  Co-Author: Nitesh V. Patel, MD – Hackensack Meridian Jersey Shore University Medical Center, Department of Neurosurgery

  Co-Author: Rohit P. Prem Kumar (he/him/his) – Hackensack-Meridian School of Medicine
• 4:37 PM – 4:39 PM CT

  A case series of intrauterine fetal myelomeningocele correction through mini-hysterotomy - Outcomes of the modified approach
  

  Presenting Author: Fernando C. Gomes (he/him/his) – Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, Brazil

  Co-Author: Bruno S. Costa, MD, PhD – Neurosurgery Department, Santa Casa BH, Belo Horizonte, Minas Gerais, Brazil.

  Co-Author: Franklin B. F. de Lima, MD – Neurosurgery Department, Santa Casa BH, Belo Horizonte, Minas Gerais, Brazil.

  Co-Author: Fábio B. de Mesquita, MD, PhD – Fetal Medicine Department, Fetali Medicina Fetal e Ultrassonografia Center, Belo Horizonte, Brazil

  Co-Author: Marcos Dellaretti, MD, PhD – Neurosurgery Department, Santa Casa BH, Belo Horizonte, Minas Gerais, Brazil.

  Co-Author: Marianna A. Pedroso, MD – Fetal Medicine Department, Fetali Medicina Fetal e Ultrassonografia Center, Belo Horizonte, Brazil
• 4:39 PM – 4:41 PM CT

  A Comparative Analysis of the Trauma and Injury Severity Score (TRISS) and the Injury Severity Score (ISS) in Predicting High-Value Care Outcomes in Children with Traumatic Brain Injury
  

  Presenting Author: Foad Kazemi, MD – Johns Hopkins University

  Co-Author: Alan R. Cohen, MD, FACS, FAAP, FAANS (he/him/his) – Johns Hopkins University
• 4:41 PM – 4:43 PM CT

  The Association of COVID-19 Pandemic with the Increase of Sinogenic and Otogenic Intracranial Infections in Children: a 10-Year Retrospective Comparative Single-Center Study
  

  Presenting Author: Mohammed Issa, Sr., 203370 (he/him/his) – Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Ingo Baumann, n/a – Department of Otorhinolaryngology, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Ahmed El Damaty, n/a – Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Sara Euteneuer, n/a – Department of Otorhinolaryngology, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Martin Grutza, n/a – Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Vasiliki Kalliri, n/a – Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Arne Krümpelmann, n/a – Department of Pediatrics, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Pavlina Lenga, n/a – Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Jan-Oliver Neumann, n/a – Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Moritz Scherer, n/a – Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Angelika Seitz, n/a – Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Olaf Sommerburg, n/a – Department of Pediatrics, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Steffen Syrbe, n/a – Department of Pediatrics, Heidelberg University Hospital, Heidelberg, Germany

  Co-Author: Andreas W. W. Unterberg, n/a – Department of Neurosurgery, Heidelberg University Hospital

  Co-Author: Jens H. Westhoff, n/a – Department of Pediatrics, Heidelberg University Hospital, Heidelberg, Germany
• 4:43 PM – 4:45 PM CT

  Hemispherectomy in infants: a safe procedure and argument for earlier surgery in selected cases. A review of 22 patients.
  

  Presenting Author: Scott H. Boop, MD, MPH – University of Washington Medical Center

  Co-Author: Jason Hauptman, MD, PhD (he/him/his) – Seattle Children's Hospital
• 4:45 PM – 4:47 PM CT

  Cost Effectiveness Analysis of the Use of Machine Learning-based Software for the Diagnosis of Neonatal Cranial Deformities
  

  Presenting Author: Jimin Shin (he/him/his) – UConn School of Medicine

  Co-Author: Markus Bookland, MD – Connecticut Children's

  Co-Author: David Hersh, MD – Connecticut Children's

  Co-Author: Jonathan Martin, MD – Connecticut Children's

  Co-Author: Petronella Stoltz, DNP – Connecticut Children's
• 4:47 PM – 4:49 PM CT

  Retrospective Implementation of Brain Injury Guidelines to Pediatric Traumatic Brain Injury at a Level 1 Trauma Center Predicts Safe Management and Improved Resource Utilization
  

  Presenting Author: Sabrina L. Zeller, MD – Westchester Medical Center

  Co-Author: Joon Yong Chung, n/a – New York Medical College

  Co-Author: Jared Cooper, MD – Westchester Medical Center

  Co-Author: Aleena Khan, n/a – New York Medical College

  Co-Author: Jared Pisapia, MD, MSTR – Westchester Medical Center New York Medical College

  Co-Author: Irim Salik, MD – Westchester Medical Center
• 4:49 PM – 4:59 PM CT

  Discussion
  

  Moderator: Caitlin E. Hoffman, MD – Weill Cornell Medicine, New York Presbyterian

  Moderator: Sze Chun Winson Ho, MD – UCSF