[1] Karolinska Inst, Astrid Lindgren Childrens Hosp, Dept Womens & Childrens Hlth, Pediat Surg Unit, Stockholm, Sweden
[2] Karolinska Inst, Astrid Lindgren Childrens Hosp, Dept Womens & Childrens Hlth, Child & Adolescent Psychiat Unit, Stockholm, Sweden