[1] Danderyd Hosp, Dept Psychiat, Res & Dev Sect, SE-18287 Danderyd, Sweden
[2] Danderyd Hosp, Karolinska Inst, Dept Clin Sci, SE-17177 Stockholm, Sweden
[3] Karolinska Univ Hosp, Astrid Lindgren Children Hosp, Dept Pediat, SE-17176 Stockholm, Sweden
[4] Karolinska Inst, Dept Clin Sci Intervent & Technol, SE-17177 Stockholm, Sweden
[5] Karolinska Univ Hosp, Dept Diabet Endocrinol & Metab, SE-17176 Stockholm, Sweden
[6] Karolinska Inst, Dept Mol Med & Surg, SE-17177 Stockholm, Sweden
[7] Univ Gothenburg, Sahlgrenska Acad, Sahlgrenska Univ Hosp, Dept Endocrinol, S-40530 Gothenburg, Sweden
[8] Univ Gothenburg, Sahlgrenska Acad, Queen Silvia Children Hosp, Dept Pediat Surg, S-40530 Gothenburg, Sweden
[9] Univ Gothenburg, Sahlgrenska Acad, Sahlgrens Univ Hosp, Dept Obstet & Gynecol, S-40530 Gothenburg, Sweden
[10] Karolinska Inst, Dept Woman & Child Hlth, SE-17177 Stockholm, Sweden
[11] Nord Sch Publ Hlth, SE-40242 Gothenburg, Sweden
[12] Karolinska Univ Hosp, Astrid Lindgren Children Hosp, Dept Pediat Surg, SE-17176 Stockholm, Sweden