Study Evaluating Brexucabtagene Autoleucel (KTE-X19) in Pediatric and Adolescent Participants With Relapsed/Refractory B-precursor Acute Lymphoblastic Leukemia or Relapsed/Refractory B-Cell Non-Hodgkin Lymphoma

Prinses Maxima Centrum, Utrecht

University Hospital Gent, Ghent

Columbia University Irving Medical Center/Morgan Stanley Children's Hospital-NYP, New York

Hopital d'Enfants la Timone, Marseille

University of Rochester Medical Center, Rochester

The Children's Hospital of Philadelphia, Philadelphia

University Medical Center Hamburg-Eppendorf (UKE), Hamburg

Johns Hopkins University, Baltimore

University of Virginia Health System, Pediatric Hematology/Oncology Clinic, Charlottesville

Hospital Universitario La Paz, Madrid

University of Miami Hospital & Clinics, Miami

Monroe-Carell Jr. Children's Hospital at Vanderbilt, Nashville

Children's Hospitals and Clinics of Minnesota, Minneapolis

Ann & Robert H. Lurie Children's Hospital, Chicago

Institut d'Hematologie et Oncologie Pediatrique, Lyon

Hopital Robert Debre - Sevice d'Hemato-immunologic, Paris

Texas Children's Hospital, Houston

The University of Texas M.D. Anderson Cancer Center, Houston

Children's Hospital Los Angeles, Los Angeles

Children's Hospital of Orange County, Orange

UCSF Benioff Children's Hospital, San Francisco

Kapi'olani Medical Center for Women and Children, Honolulu

The Hospital for Sick Children, Toronto

University Hospital Brno, Brno

Unité d'Oncologie et Hématologie Pédiatriques, Bordeaux

Bambino Gesù Children's Hospital, Rome

Jurasz University Hospital 1; Collegium Medicum, Bydgoszcz

Wroclaw Medical University, Wroclaw

Hospital Sant Joan de Déu, Barcelona

Karolinska University Hospital, Stockholm