Prof. Bernhard Strauss, qualified psychologist, psychological psychotherapist, Director of the Institute for Psychosocial Medicine and Psychotherapy in Friedrich Schiller University, Jena. Prof. Mark Galliker, Institute of Psychology at the University of Bern, pca.acp/FSP conversational psychotherapist. Emeritus Prof. Michael Linden, qualified psychologist, specialist in neurology, psychiatry and psychosomatic medicine and psychotherapy, psychological psychotherapist, Director of the Psychosomatic Rehabilitation Research Group at Charité & Universitätsmedizin Berlin. Prof. Jochen Schweitzer, qualified psychologist, Associate Professor at the Institute of Medical Psychology, Ruprecht Karl University, Heidelberg, Deputy Director of the Institute, Director of the Medical Organizational Psychology Section.