1. Department of Surgery, Ophthalmology, Otorhinolaryngology and Physiotherapy, Faculty of Health Sciences, Universidad de Valladolid, 42004 Soria, Spain
2. Department of Physiotherapy, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya (UIC), C/Josep Trueta s/n, 08195 Sant Cugat del Vallès, Spain
3. Fiziocentrs, Ruņinieku Iela 49, Centra Rajons, LV-1011 Rīga, Latvia