1. Max Planck Institute of Psychiatry (S.K., A.C.E.L., G.K.S., F.H., J.M.H.M.R.), Clinical Institute, Department of Neuroendocrinology, Section Neuroimmunoendocrinology, 80804 Munich, Germany
2. Neuroscience Research Section (N.B.), CHUL Research Centre and Department of Physiology, Laval University, Ste-Foy, Quebec, Canada G1V 4G2