1. Departments of Physiology (J.E.C., R.N., L.M.S., S.B., C.V.A., C.D.), Molecular Endocrinology Section, University of Santiago de Compostela, School of Medicine, 15705 Santiago de Compostela, Spain
2. Morphological Science (M.B., T.G.-C.), Molecular Endocrinology Section, University of Santiago de Compostela, School of Medicine, 15705 Santiago de Compostela, Spain
3. Medicine (F.F.C.), Molecular Endocrinology Section, University of Santiago de Compostela, School of Medicine, 15705 Santiago de Compostela, Spain