1. Children’s Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, CA;
2. Great Ormond Street Hospital, London, United Kingdom;
3. Genentech, Inc, South San Francisco, CA;
4. Children’s Healthcare of Atlanta, Emory University, Atlanta, GA;
5. Institute of Experimental Hematology and Transfusion Medicine, University of Bonn, Bonn, Germany;
6. Hospital Universitario La Paz, Autónoma University, Madrid, Spain;
7. National Health Laboratory Service (NHLS), Charlotte Maxeke Johannesburg Academic Hospital, University of the Witwatersrand, Johannesburg, South Africa;
8. Bloodworks Northwest, Seattle, WA;
9. School of Medicine Hemophilia and Thrombosis Center, Anschutz Medical Campus, University of Colorado, Aurora, CO;
10. F. Hoffmann–La Roche Ltd, Basel, Switzerland;
11. Department of Pediatrics, Nara Medical University, Kashihara, Japan; and
12. Angelo Bianchi Bonomi Hemophilia and Thrombosis Centre, Ospedale Maggiore Policlinico, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ca’ Granda, Milan, Italy