Institution: | a Department of Physiology, University of Lausanne, 7, rue du Bugnon, 1005 Lausanne, Switzerland b Department of Clinical Research/AMSM, University of Bern, Pavilion 52A, Inselspital, P.O. Box 35, 3010 Bern, Switzerland c Service of Endocrinology, Diabetes and Metabolism, CHUV, 1011 Lausanne, Switzerland |