1. Department of Social and Behavioural Medicine, Faculty of Medicine, PJ Safarik University, Kosice, Slovakia
2. Department of Health Psychology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
3. 1st Department of Internal Medicine, Faculty of Medicine, PJ Safarik University, Kosice, Slovakia & UNLP, Kosice, Slovakia
4. Department of Psychology Health and Technology, University of Twente, Enschede, The Netherlands