Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand. Medical Ward (I), 1000 Bedded Hospital, Naypyitaw, 15011, Myanmar. Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand. vipa.tha@mahidol.edu. Department of Rheumatology, University of Medicine 1, Lanmadaw, Yangon, 11131, Myanmar. Department of Nephrology, University of Medicine 1, Lanmadaw, Yangon, 11131, Myanmar. Information Technology Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand. Division of Nephrology, Phramongkutklao Hospital, Bangkok, 10400, Thailand. Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, 10330, Thailand. Queen Saovabha Memorial Institute, Thai Red Cross, Bangkok, 10330, Thailand.