[1] Nephrology Division, Department of Medicine, Phramongkutklao Hospital, Bangkok, Thailand
[2] Renal Division, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
[3] Renal Division, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
[4] UCL Department of Nephrology, Royal Free Hospital, University College London, London, United Kingdom