1. Department of Anatomy & Histology, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Box 7011, S-750 07 Uppsala, Sweden
2. Department of Histology & Embryology, Faculty of Veterinary Medicine, Montevideo, Uruguay
3. Department of Animal Anatomy & Physiology, Faculty of Agriculture, Montevideo, Uruguay
4. Department of Obstetrics and Gynaecology, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Box 7011, S-750 07 Uppsala, Sweden
5. Department of Clinical Chemistry, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Box 7011, S-750 07 Uppsala, Sweden
6. Department of Animal Breeding & Genetics, Faculty of Agriculture, Swedish University of Agricultural Sciences, Box 7011, S-750 07 Uppsala, Sweden