1. Department of Rheumatology, Firouzgar Hospital, Iran University of Medical Science, Tehran, Iran
2. Firoozabadi Clinical Research Development Unit (FACRDU), Iran University of Medical Science (IUMS), Tehran, Iran
3. Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
4. School of Medicine, Preventive Medicine and Public Health Research Centre, Social Injury Prevention Research Institute, Iran University of Medical Science