Affiliation: | 1. Department of Cardiovascular Surgery, Heart Center, University of Freiburg, Freiburg, Germany;2. Department of Psychosomatic Medicine and Psychotherapy, Medical Center, University of Freiburg, Freiburg, Germany;3. Institute of Psychology, University of Freiburg, Freiburg, Germany;4. Quality and Development in Nursing Care, Medical Center, University of Freiburg, Freiburg, Germany |