[1] Erasmus Univ, Dept Clin Genet, NL-3016 AH Rotterdam, Netherlands
[2] Univ Hosp Dijkzigt, Sophia Childrens Hosp, Dept Pediat Surg, NL-3015 GD Rotterdam, Netherlands
[3] Sophia Childrens Hosp, Dept Pediat Resp Med, Rotterdam, Netherlands
[4] Univ Hosp Dijkzigt, Dept Pathol, NL-3015 GD Rotterdam, Netherlands
[5] Med Day Care Ctr Myosotis, Rotterdam, Netherlands