1. Department of Genetic Medicine and Development (E.Z., P.A.H.), Geneva CH-1211, Switzerland
2. University Medical Centre and Division of Surgical Research (E.Z., T.B., D.B.), Department of Surgery, University Hospital, Geneva CH-1211, Switzerland
3. Division of Endocrinology and Diabetes (K.M., M.Y.D.), University Hospital, Zurich CH-8091, Switzerland