1. Institute of Sports Sciences and Physiotherapy, Faculty of Medicine, University of Tartu, Tartu, Estonia
2. Department of Physiotherapy and Environmental Health, Tartu Health Care College, Tartu, Estonia
3. Department of Pediatrics, Institute of Clinical Medicine, Faculty of Medicine, University of Tartu, Tartu, Estonia
4. Children’s Clinic of Tartu University Hospital, Tartu, Estonia
5. Department of Sports Medicine and Rehabilitation, Institute of Clinical Medicine, Faculty of Medicine, University of Tartu, Tartu, Estonia
6. Sports Medicine and Rehabilitation Clinic, Tartu University Hospital, Tartu, Estonia