About the Authors

Michael Trapp

Affiliation Research Unit of Behavioural Medicine, Health Psychology and Empirical Psychosomatics, Department of Medical Psychology and Psychotherapy, Medical University of Graz, Graz, Austria

Eva-Maria Trapp

Affiliations Research Unit of Behavioural Medicine, Health Psychology and Empirical Psychosomatics, Department of Medical Psychology and Psychotherapy, Medical University of Graz, Graz, Austria, University Clinic of Psychiatry. Medical University of Graz, Graz, Austria

Josef W. Egger

Affiliation Research Unit of Behavioural Medicine, Health Psychology and Empirical Psychosomatics, Department of Medical Psychology and Psychotherapy, Medical University of Graz, Graz, Austria

Wolfgang Domej

Affiliation Department of Pneumology, Medical University of Graz, Graz, Austria

Giuseppe Schillaci

Affiliation Department of Medicine, University of Perugia and Terni University Hospital, Terni, Italy

Alexander Avian

Affiliation Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, Graz, Austria

Peter M. Rohrer

Affiliation Research Unit of Behavioural Medicine, Health Psychology and Empirical Psychosomatics, Department of Medical Psychology and Psychotherapy, Medical University of Graz, Graz, Austria

Nina Hörlesberger

Affiliation Research Unit of Behavioural Medicine, Health Psychology and Empirical Psychosomatics, Department of Medical Psychology and Psychotherapy, Medical University of Graz, Graz, Austria

Dieter Magometschnigg

Affiliation Institute for Hypertension, Vienna, Austria

Mila Cervar-Zivkovic

Affiliation Department of Obstetrics and Gynecology, Medical University of Graz, Graz, Austria

Peter Komericki

Affiliation Department of Dermatology, Medical University of Graz, Graz, Austria

Rosemarie Velik

Affiliation CTR Carinthian Tech Research, Villach/St. Magdalen, Austria

Johannes Baulmann

jbaulmann@yahoo.com

Affiliation UKSH Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Lübeck, Germany

Competing Interests

GS is a PLOS ONE Editorial Board member. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MT ET JE WD GS AA PR NH DM MC PK RV JB. Performed the experiments: MT ET JE WD GS AA PR NH DM MC PK RV JB. Analyzed the data: MT ET JE WD GS AA PR NH DM MC PK RV JB. Wrote the paper: MT ET JE WD GS AA PR NH DM MC PK RV JB.