1. Clinical Research Group (A.H., C.V., A.-K.W., B.B., H.R., J.H.), Department of Child and Adolescent Psychiatry, Philipps-University of Marburg, D-35039 Marburg, Germany;
2. Department of Pharmacology and Toxicology (S.H., C.H., T.G.), Philipps-University of Marburg, D-35033 Marburg, Germany;
3. Institute of Medical Biometry and Epidemiology (F.G., H.S.), Philipps-University of Marburg, D-35037 Marburg, Germany;
4. Spessart Klinik (H.G.), D-63619 Bad Orb, Germany;
5. Obesity Treatment Centre Insula (W.S.), D-83489 Berchtesgaden, Germany