[1] Med Univ Vienna, Dept Psychoanal & Psychotherapy, Vienna, Austria
[2] Univ Leipzig, Dept Med Psychol & Med Sociol, D-04109 Leipzig, Germany
[3] Univ Leipzig, Med Ctr, Integrated Res & Treatment Ctr IFB Adipos Dis, D-04109 Leipzig, Germany
[4] Univ Leipzig, Dept Psychosomat Med & Psychotherapy, D-04109 Leipzig, Germany