1. Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
2. The International Research and Research Training Centre in Endocrine Disruption of Male Reproduction and Child Health, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
3. Section of Biostatistics, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
4. Division of Adolescent and Transition Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
5. Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, Ohio
6. Institute of Child Health, University College London Hospital, London, United Kingdom