1. Department of Health Psychology, Faculty of Health Sciences University of Alicante Alicante Spain
2. Center for General Practice at Aalborg University Department of Clinical Medicine , Aalborg University Aalborg Denmark
3. Arthritis Research UK Primary Care Centre, Research Institute for Primary Care & Health Sciences Keele University Keele UK
4. Department of Human Anatomy and Psychobiology University of Murcia Murcia Spain
5. Murcia Institute of Biomedical Research Murcia Spain
6. University of Sydney Sydney NSW Australia