1. Department of Physiotherapy, Cardenal Herrera University CEU, CEU Universities, Valencia, Spain
2. Department of Physiotherapy, University of Alcala, Alcala, Spain
3. Department of Physiotherapy, University of Valencia, Valencia, Spain
4. Research Unit for Exercise Epidemiology, Centre of Research in Childhood Health, Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
5. The Research and Implementation Unit PROgrez, Department of Physiotherapy and Occupational Therapy, Naestved-Slagelse-Ringsted Hospitals, Slagelse, Denmark
6. Pain in Motion International Research Group, Brussels, Belgium
7. Center for Muscle and Joint Health, Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
8. Research Unit for General Practice, Department of Public Health, University of Southern Denmark, Odense, Denmark