[1] Hannover Med Sch, Dept Psychosomat Med & Psychotherapy, Hannover, Germany
[2] Hannover Med Sch, German Ctr Lung Res DZL, Biomed Res Endstage & Obstruct Lung Dis Hannover, Hannover, Germany
[3] Katholieke Univ Leuven, Fac Psychol & Educ Sci, Leuven, Belgium
[4] Univ Antwerp, Fac Med & Hlth Sci, Antwerp, Belgium
[5] Odisee Univ Coll, Res Dept, Brussels, Belgium
[6] Hannover Med Sch, Dept Cardiac Thorac Transplant & Vasc Surg, Hannover, Germany