1. Department of Primary Health Care, Gothenburg University
2. Department of Obstetrics and Gynaecology, Sküvde Hospital, Sküvde
3. Departments of Medicine II
4. Departments of Psychiatry
5. Departments of Clinical Nutrition
6. Departments of Clinical Chemistry, Sahlgren's Hospital,
7. Departments of Gynaecology and Obstetrics, Östra Hospital, Gothenburg University, Gothenburg, Sweden
8. Administration of Occupational Safety and Health, Reykjavik
9. Health Centre of Hafnarfjürdur, Iceland