[1] Klinik für Psychiatrie und Psychotherapie,
[2] Universität Rostock,undefined
[3] Gehlsheimer Str. 20,undefined
[4] D-18147 Rostock,undefined
[5] Germany e-mail: joerg.richter@med.uni-rostock.de,undefined
[6] Phone: +49 381 494 9564,undefined
[7] Fax: +49 381 494 9502,undefined
[8] Unit of Medical Psychology,undefined
[9] Dept. Psychiatry,undefined
[10] WHO Collaborating Centre,undefined
[11] Umeå University,undefined
[12] Umeå,undefined
[13] Sweden,undefined