1. Department of Paediatrics (M.C., M.M.v.W., H.A.D.-v.d.W.), VU University Medical Center, 1081 HV Amsterdam, The Netherlands
2. Institute for Clinical and Experimental Neuroscience, and Department of Obstetrics and Gynaecology (J.P.W.V.), VU University Medical Center, 1081 HV Amsterdam, The Netherlands
3. Department of Epidemiology (F.E.v.L.), Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands