Author information:
(1)Division of Clinical Pharmacology and Toxicology, The Hospital for Sick 
Children, Toronto, ON, Canada.
(2)Department of Pediatrics, Yokohama City University, School of Medicine, 
Yokohama, Kanagawa, Japan.
(3)Division of Clinical Research Planning, Department of Development Strategy, 
Center for Clinical Research and Development, National Center for Child Health 
and Development, Tokyo, Japan.
(4)Institute of Cellular Medicine, Newcastle University and Newcastle upon Tyne 
Hospitals, NHS Foundation Trust, Newcastle upon Tyne, UK.
(5)Department of Haematology, The Newcastle upon Tyne Hospitals NHS Foundation 
Trust, Newcastle upon Tyne, UK.
(6)Division of Pediatric Hematology/Oncology/BMT, Nationwide Children's 
Hospital, Columbus, OH, US.
(7)Division of Pediatric Hematology/Oncology, Department of Pediatrics, Monroe 
Carell Jr. Children's Hospital at Vanderbilt, Vanderbilt University Medical 
Center, Nashville, TN, US.
(8)Assistance Publique Hôpitaux de Paris, Hôpital Necker Enfants Malades, Unité 
Médico-Chirurgicale de Cardiologie Congénitale et Pédiatrique, Centre de 
référence M3C, Paris, France.
(9)University Paris Descartes, Paris, France.
(10)Université Paris Descartes, Inserm Unité Mixte de Recherche (UMR)-S, Paris, 
France.
(11)University Paris Descartes, INSERM UMR 1147, Paris, France.
(12)Influenza and Emerging Respiratory Pathogens, BC Centre for Disease Control, 
Vancouver, BC, Canada.
(13)Division of Translational Therapeutics, Department of Pediatrics, University 
of British Columbia, Vancouver, BC, Canada.
(14)Department of Medical Sciences, Clinical Pharmacology and Science for Life 
Laboratory, Uppsala University, Uppsala, Sweden.
(15)Department of Pediatrics, Graduate School of Medicine and Pharmaceutical 
Sciences, University of Toyama, Toyama, Japan.
(16)Graduate School of Medicine and Pharmaceutical Sciences, University of 
Toyama, Toyama, Japan.
(17)Department of Cardiology, Kanagawa Children's Medical Center, Yokohama, 
Japan.
(18)Department of Pediatrics, Tokyo Medical and Dental University, Tokyo, Japan.
(19)Department of Clinical Pharmacology & Genetics, School of Pharmaceutical 
Sciences, University of Shizuoka, Shizuoka, Japan.
(20)Division of Pediatric Hematology/Oncology, The Hospital for Sick Children, 
Toronto, ON, Canada.
(21)Division of Clinical Pharmacology and Toxicology, The Hospital for Sick 
Children, Toronto, ON, Canada. shinya.ito@sickkids.ca.