1. Musculoskeletal Research Center; Department of Physical Therapy; Faculty of Rehabilitation Sciences; Isfahan University of Medical Sciences; Isfahan Iran
2. Kolling Institute; The University of Sydney; Sydney NSW Australia
3. Department of Rheumatology; Royal North Shore Hospital; Sydney NSW Australia
4. Raymond Purves Research Laboratories; Royal North Shore Hospital; Sydney NSW Australia
5. Tufts University School of Medicine; Boston MA USA
6. Tufts Medical Center; Boston MA USA
7. MGH Institute of Health Professions; Boston MA USA