1. Hanze University of Applied Sciences, Groningen, The Netherlands;
2. Institute of Health Sciences, Catholic University of Portugal, Lisbon, Portugal;
3. Department of Medical, Experimental and Clinical Sciences, University of Udine, Udine, Italy;
4. Department of Physiotherapy, University College of Northern Denmark, Aalborg, Denmark;
5. Department of Biomedical Sciences, Medicine and Physiotherapy, Grupo de investigación de Intervención Psicosocial y Rehabilitación funcional, Universidade da Coruña (University of A Coruna), A Coruña, Spain;
6. Department of Physiotherapy, Alcoitao School of Health Sciences, Alcoitao, Portugal;
7. Department of Physiotherapy, HAN University of Applied Sciences, Nijmegen, The Netherlands