1. Research Fellow Division of Psychology and Behavioral Immunobiology Swiss Federal Institute of Technology Zürich, SES C4 Scheuchzerstraß;e 17 8092 Zürich, Switzerland fax 0041 1 632 1355
2. Senior Registrar Department of Clinical Psychiatry and Psychotherapy Hannover Medical School Hannover, Germany
3. Senior Registrar Department of Clinical Psychiatry and Psychotherapy Hannover Medical School