[1] Ruhr Univ Bochum, LWL Univ Clin Bochum, Bochum, Germany
[2] Univ Clin Cologne, Cologne, Germany
[3] Diabet Ctr Mergentheim, Bad Mergentheim, Germany
[4] Johannes Gutenberg Univ Mainz, Dept Psychiat & Psychotherapy, Univ Med Ctr, D-55122 Mainz, Germany
[5] Johannes Gutenberg Univ Mainz, D-55122 Mainz, Germany
[6] Johannes Gutenberg Univ Mainz, Interdisciplinary Ctr Clin Trials Mainz IZKS Main, Univ Med Ctr, D-55122 Mainz, Germany
[7] Univ Giessen, Univ Clin Giessen Marburg, D-35390 Giessen, Germany
[8] Vitos Clin Ctr Giessen Marburg, Giessen, Germany
[9] Univ Giessen, Vitos Clin Ctr Giessen Marburg, D-35390 Giessen, Germany
[10] Univ Giessen, D-35390 Giessen, Germany