1. Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden;
2. Division of Gynecology and Reproduction, Department of Reproductive Medicine, Karolinska University Hospital, Stockholm, Sweden;
3. Department of Pediatric Oncology, Karolinska University Hospital, Stockholm, Sweden;
4. Department of Pediatric Endocrinology, Karolinska University Hospital, Stockholm, Sweden