a Psychiatric Hospital of the University of Basel, Wilhelm-Klein-Str. 27, 4012 Basel, Switzerland
b Department of Psychiatry, Social Psychiatry and Psychotherapy, Medical School Hannover, Germany
c Praxis am Riehenring, Basel, Switzerland
d Department of Neurology, Medical School Hannover, Germany
e Department of Plastic, Reconstructive and Aesthetic Surgery, University Hospital Basel, Switzerland
f Institute of Medical Psychology and Behavioral Immunobiology, University Clinic Essen, Germany
g Psychiatric Hospital, Solothurn, Switzerland