1. Medical Department M (Endocrinology and Diabetes) and Medical Research Laboratories, Århus Kommunehospital, Århus University Hospital (C.H.G.), DK-8000 Århus
2. Cytogenetic Laboratory, Department of Biological Psychiatry, Institute for Basic Research, Psychiatric Hospital (C.H.G.), DK-8000 Århus
3. Department of Gynecology and Obstetrics, Skejby Sygehus, Århus University Hospital (J.F.), DK-8000 Århus
4. Pediatric Department A, Skejby Sygehus, Århus University Hospital (R.W.N.), DK-8000 Århus
5. Department of Growth and Reproduction, Rigshospitalet (J.M.), 2100 Copenhagen, Denmark