1. Clinical Neuroendocrinology, Max Planck Institute of Psychiatry, Munich, Germany.
2. DZNE, German Center for Neurodegenerative Diseases, Rostock, Germany.
3. Department of Neurology, Schön Klinik Staffelstein, Bad Staffelstein, Germany.
4. Schön Klinik, Bad Aibling, Bad Aibling, Germany.
5. Medizinische Klinik Innestadt, Ludwig-Maximilians-University, Munich, Germany.