1 Department of Maxillofacial Surgery, F. D. Roosevelt University Hospital, Banska Bystrica, Slovak Republic.
2 Department of Prosthetic Dentistry, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic.
3 Czech National Centre for Evidence-Based Healthcare and Knowledge Translation (Cochrane Czech Republic, Czech EBHC: JBI Centre of Excellence, Masaryk University GRADE Centre), Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Brno, Czech Republic.