1. NOVA National School of Public Health, Public Health Research Centre, Universidade NOVA de Lisboa, Lisboa, Portugal
2. Comprehensive Health Research Center (CHRC), Lisboa, Portugal
3. Department of Physical Therapy, School of Health Care, Polytechnic Institute of Setúbal, Setúbal, Portugal
4. Cedoc, EpiDoC Unit, NOVA Medical School, Nova University of Lisbon, Lisboa, Portugal
5. Department of Rheumatology, CHULC-Hospital Curry Cabral, Lisboa, Portugal