1 Department of Medicine and Health Sciences, University of Molise, Campobasso, Italy. enniolubrano@hotmail.com.
2 Departamento de Fisiatría Y Enfermería, Facultad de Ciencias de la Salud, Universidad de Zaragoza, Physiotherapy Health Sciences Research Group, Zaragoza, Spain.
3 Department of Movement and Training Science, University of Wuppertal, Wuppertal, Germany.
4 Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus Liebig University Giessen, Giessen, Germany.
5 Italian College of General Practitioners and Primary Care, Florence, Italy.
6 Institut für Physikalische Medizin und Rehabilitation, Universitätsklinikum Innsbruck and Umit, Hall, Austria.
7 Servicio de Reumatología, Hospital Universitario Central de Asturias, Oviedo, Spain.
8 Oviedo University School of Medicine, Oviedo, Spain.
9 Department of Physical Medicine and Rehabilitation, Hospital Universitario Marquès de Valdecilla, Santander, Spain.
10 Serviço de Medicina Física e de Reabilitação, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal.