1. University Department of Growth and Reproduction, Rigshospitalet section 5064, Blegdamsvej 9, Copenhagen Ø, Denmark
2. International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet section 5064, Blegdamsvej 9, Copenhagen Ø, Denmark
3. Department of Biostatistics, Institute of Public Health, University of Copenhagen, Øster Farimagsgade 5 Building 10, Copenhagen K, Denmark
4. University Department of Fertility, Rigshospitalet section 4071, Blegdamsvej 9, Copenhagen Ø, Denmark
5. Hudson Institute of Medical Research and Monash University, 27-31 Wright St, Clayton, Australia