1. Saint Petersburg State University Hospital, Saint Petersburg, Russia
2. Saint Petersburg Government Hospital №40, Saint Petersburg, Russia
3. Dell’Angelo Hospital, Venice, Italy
4. 1st Department of Internal Medicine, Faculty of Medicine, Comenius University and University Hospital, Bratislava, Slovakia
5. Faculty of Health Sciences, University of Ss. Cyril and Methodius in Trnava, Trnava, Slovakia
6. Department of Nursing, Faculty of Health Sciences and Social Work, Trnava University, Trnava, Slovakia
7. Department of Nutrition, Faculty of Nursing and Professional Health Studies, Slovak Medical University, Bratislava, Slovakia
8. Department of General Medicine, Faculty of Medicine, Slovak Medical University, Bratislava, Slovakia
9. Department of Anaesthesiology and Intensive Medicine, J. A. Reimana Faculty Hospital, Presov, Slovakia
10. University of Defence, Brno, Czechia
11. 2nd Department of Surgery, Faculty of Medicine, Masaryk University, St. Anne’s University Hospital, Brno, Czechia