Princess Margaret Cancer Centre ( Site 0107), Toronto, Ontario, Canada
University of Chicago ( Site 0068), Chicago, Illinois, United States
Hospital Universitario San Carlos ( Site 0678), Madrid, Spain
Faculty of Medicine - Khon Kaen University-Pediatrics ( Site 0063), Amphoe Mueang, Khon Kaen, Thailand
Wits Reproductive Health and HIV Institute (WRHI) ( Site 0043), Johannesburg, Gauteng, South Africa
Perinatal HIV Research Unit ( Site 0042), Johannesburg, Gauteng, South Africa
Next Oncology ( Site 0001), San Antonio, Texas, United States
Princess Margaret Cancer Centre ( Site 0011), Toronto, Ontario, Canada
BC Cancer - Vancouver Center ( Site 0010), Vancouver, British Columbia, Canada
University Medical Center Groningen ( Site 4227), Groningen, Netherlands
Wilhelmina Kinderziekenhuis ( Site 4228), Utrecht, Netherlands
Variety Children's Hospital D.B.A. Nicklaus Children's Hospital ( Site 3019), Miami, Florida, United States
Shaoxing keqiao center for disease prevention and control ( Site 0001), Shaoxing, Zhejiang, China
Kaihua country Center for Disease Control and Prevention ( Site 0002), Quzhou, Zhejiang, China
Seattle Cancer Care Alliance ( Site 0003), Seattle, Washington, United States
Northwest Georgia Oncology Centers PC ( Site 0707), Marietta, Georgia, United States
Laura and Isaac Perlmutter Cancer Center at NYU Langone Health ( Site 0002), New York, New York, United States
Kentucky Pediatric/Adult Research Inc ( Site 0136), Bardstown, Kentucky, United States
Capitol Pediatrics & Adolescent Center ( Site 0223), Raleigh, North Carolina, United States
Holston Medical Group ( Site 0165), Kingsport, Tennessee, United States
Uniwersytecki Szpital Kliniczny ( Site 0207), Wroclaw, Poland
Research Institute of Children Infections ( Site 0301), Saint Petersburg, Russian Federation
Children s City Polyclinic No. 45 of the Nevsky District ( Site 0312), St.Petersburg, Russian Federation
UCLA Hematology and Oncology Clinic (Westwood) ( Site 0233), Los Angeles, California, United States
University of Rochester ( Site 0238), Rochester, New York, United States
Faculdade de Medicina da Universidade Federal de Minas Gerais ( Site 2708), Belo Horizonte, Minas Gerais, Brazil
MD Clinical ( Site 0004), Hallandale Beach, Florida, United States
Clinilabs, Inc. ( Site 0005), New York, New York, United States
Universitair Ziekenhuis Gent ( Site 0012), Gent, Belgium