1. Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
2. School of Medicine, Walailak University, Nakhonsrithammarat, Thailand
3. Department of Pathology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
4. Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand