Rationale and content of psychenet: the Hamburg Network for Mental Health. - Härter, Martin; Kentgens, Maren; Brandes, Andreas; Bock, Thomas; Dirmaier, Jörg; Erzberger, Melanie; Fürstenberg, Werner; Hillebrandt, Bernd; Karow, Anne; dem Knesebeck, Olaf; König, Hans-Helmut; Löwe, Bernd; et al. (European Archives of Psychiatry & Clinical Neuroscience, 2012)