Study to Assess the Safety, Pharmacokinetics, and Efficacy of Baloxavir Marboxil in Healthy Pediatric Participants From Birth to < 1 Year With Influenza-Like Symptoms

Impact of an Orthotic Intervention in Children With Peripheral Neuropathy

International Ovarian & Testicular Stromal Tumor Registry

LCH-IV, International Collaborative Treatment Protocol for Children and Adolescents With Langerhans Cell Histiocytosis

Study to Assess the Safety, Pharmacokinetics, and Efficacy of Baloxavir Marboxil in Healthy Pediatric Participants With Influenza-Like Symptoms

Pediatric Appendicitis Risk Calculator (pARC) in Children With Appendix Ultrasounds

An Intermediate Access Protocol for Selumetinib for Treatment of Neurofibromatosis Type 1

Point-of-Care Ultrasonography for Intussusception