1. Modern One Stop Arthritis Care and Research Center® (MOAC&RC®), Dhaka, Bangladesh
2. Department of Rheumatology, Bangabandhu Sheikh Mujib Medical University (BSMMU)
3. Department of Gastroenterology, BSMMU
4. Department of Pathology, BSMMU
5. Faculty of Behavioural, Management & Social sciences, Psychology, Health and Technology, University of Twente, Enschede, The Netherlands