[1] Univ Amsterdam, Amsterdam Univ Med Ctr Locat, Emma Childrens Hosp, Dept Pediat Hematol, Meibergdreef 9, NL-1105 AZ Amsterdam, Netherlands
[2] Amsterdam Reprod & Dev Publ Hlth, Amsterdam, Netherlands
[3] Univ Amsterdam, Amsterdam Univ Med Ctr Locat, Dept Child & Adolescent Psychiat Psychosocial Car, Emma Childrens Hosp, Meibergdreef 9, Amsterdam, Netherlands
[4] Netherlands Hemophilia Patient Soc, Nijkerk, Netherlands
[5] HemoNED Fdn, Leiden, Netherlands
[6] Leiden Univ Med Ctr, Dept Thrombosis & Hemostasis, Leiden, Netherlands
[7] BuroMD, Utrecht, Netherlands
[8] Leiden Univ Med Ctr, Dept Clin Epidemiol, Leiden, Netherlands
[9] Erasmus Univ, Erasmus Univ Med Ctr, Sophia Childrens Hosp, Dept Pediat Hematol, Rotterdam, Netherlands
[10] Sanquin Res & Landsteiner Lab, Dept Mol Cellular Hemostasis, Amsterdam, Netherlands