1. European Institute for Peptide Research 23, Laboratory of Cellular and Molecular Neuroendocrinology, INSERM U-413, Centre National de la Recherche Scientifique, University of Rouen (D.A., Y.A., S.J., H.V.), 76821 Mont-Saint-Aignan, France
2. Institut National de la Recherche Scientifique-Santé, Université du Québec (A.F.), Pointe Claire, Canada H9R 1G6