Zipfel SDepartment of Psychosomatic Medicine and Psychotherapy, University of Tübingen, Tübingen, Germany.
Pfaltz MCDepartment of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
Schnyder UUniversity Hospital Zurich, University of Zurich, Zurich, Switzerland.