1Center of Orthopaedics and Traumatology, University Hospital Brandenburg/Havel, Brandenburg Medical School Theodor Fontane, Brandenburg a.d.H., Germany

2Evidence Based Practice in Brandenburg: A JBI Affiliated Group, Brandenburg Medical School Theodor Fontane, Brandenburg a.d.H., Germany

3Cochrane Czech Republic, Czech Republic: A JBI Centre of Excellence, Czech GRADE Network, Institute of Health Information and Statistics of the Czech Republic, Prague, Czech Republic

4Institute of Special Education Studies, Palacký University Olomouc, Olomouc, Czech Republic

5Ergonomics and Biomedical Monitoring Laboratory, Department of Physiotherapy, Faculty of Health Sciences, Wrocław Medical University, Wrocław, Poland

6Department of Prosthodontics, Study of Dental Medicine, University of Split School of Medicine, Split, Croatia

7Chair of Epidemiology and Preventive Medicine, Department of Hygiene and Dietetics, Jagiellonian University Medical College, Kraków, Poland

8Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg a.d.H., Germany

Correspondence: Robert Prill, [email protected]

The authors declare no conflicts of interest.

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