1. Institute for Health and Sport, Victoria University, Melbourne, Australia
2. Faculty of Medicine and Surgery, University of Malta, Valletta, Malta
3. Institute of Dentistry, University of Tartu, Tartu, Estonia
4. Faculty of Health Sciences, Kristianstad University, Kristianstad, Sweden
5. College of Nursing, Sultan Qaboos University, Muscat, Oman
6. Aristotle University of Thessaloniki, Papageorgiou General Hospital, Thessaloniki, Greece
7. Faculty of Medicine, Unitersity of Bucharest, Bucharest, Romania