Wittchen,
H.-U.
Max Planck Institute of Psychiatry, Max Planck Society;
Essau,
C. A.
Max Planck Institute of Psychiatry, Max Planck Society;
Rief,
W.
Max Planck Institute of Psychiatry, Max Planck Society;
Fichter,
M. M.
Max Planck Institute of Psychiatry, Max Planck Society;