1. Jagiellonian University Medical College; Institute of Physiotherapy, Faculty of Health Science; Krakow Poland
2. Jagiellonian University Medical College; Department of Anaesthesiology and Intensive Care, The University Hospital in Krakow; II Department of Internal Medicine; Systematic Reviews Unit - Polish Cochrane Branch,; Krakow Poland
3. The University Hospital in Krakow; Krakow Poland
4. Systematic Reviews Unit Polish Cochrane Branch (Cochrane Poland); Krakow Poland
5. Jagiellonian University Medical College; Faculty of Health Science; Krakow Poland
6. Jagiellonian University Medical College; Chair of Epidemiology and Preventive Medicine; Department of Hygiene and Dietetics; Systematic Reviews Unit - Polish Cochrane Branch; Kopernika 7 Krakow Poland 31-034