1. INSERM UMR 1153; Obstetrical, Perinatal and Pediatric Epidemiology Research Team; Center for Epidemiology and Biostatistics; Paris-Descartes University; Paris France
2. Clinical Care and Management Innovation Research Area; Bambino Gesù Children's Hospital; IRCCS; Roma Italy
3. Information Services Division; NHS National Services Scotland; Edinburgh Scotland UK
4. Institute for the Care of Mother and Child; Prague Czech Republic
5. Centre for Disease Prevention and Control of Latvia; Riga Latvia
6. ISPUP-EPI Unit; Universidade do Porto; Porto Portugal
7. THL National Institute for Health and Welfare; Helsinki Finland
8. Department Child Health; Netherlands Organisation for Applied Scientific Research; TNO Healthy Living; Leiden the Netherlands
9. Faculty of Medical Sciences; Department Public Health; Anton de Kom University of Suriname; Paramaribo Suriname