1. Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck , Innsbruck, Austria
2. Department of Intensive Care and Resuscitation, Cleveland Clinic , Cleveland, OH, USA
3. Institute of General Practice and Public Health, Claudiana-College of Health Care Professions , Lorenz Böhler Street 13, Bolzano, BZ, Italy
4. Department of Public Health, Medical Decision Making and HTA, University of Health Sciences, Medical Informatics and Technology , Eduard Wallnöfer Place 1, 6060, Hall, Austria