1. Department of Clinical Nutrition, School of Nutritional Sciences & Dietetics, Tehran University of Medical Sciences, Tehran, IRAN
2. Department of Rheumatology, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IRAN
3. Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, IRAN
4. Department of Rheumatology, Rasool Akram Hospital, Iran University of Medical Sciencesw, Tehran, IRAN
5. Department of Biostatistics and Epidemiology, School of Public Health, Tehran University of Medical Sciences, Tehran, IRAN