1. Institute of Molecular Animal Breeding (A.H., M.W., H.L., E.W.), Ludwig-Maximilian University, 81377 Munich, Germany
2. Musculoskeletal Diseases Center (S.M.), Loma Linda, California 92357
3. Endocrinology Laboratory (J.F.), University Child Hospital, 72070 Tübingen, Germany
4. Gene Center, and Institute of Veterinary Pathology (R.W.), Ludwig-Maximilian University, 81377 Munich, Germany
5. Laboratory of Molecular Biology (T.F., G.J.A.), Ludwig-Maximilian University, 81377 Munich, Germany
6. Institute of Clinical Chemistry (H.J.K.), Clinic Harlaching, 81545 Munich, Germany