1. Nephrology Unit, Department of Medicine, Charoenkrung Pracharak Hospital, Bangkok Metropolitan Administration , Bangkok , Thailand
2. Division of Nephrology, Department of Medicine, Faculty of Medicine , Chulalongkorn University , Bangkok , Thailand
3. Division of Internal Medicine-Nephrology, Department of Medicine, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Thai Red Cross Society , Bangkok , Thailand
4. Special Task Force for Activating Research in Renal Nutrition (Renal Nutrition Research Group), Office of Research Affairs , Chulalongkorn University , Bangkok , Thailand
5. Division of Nephrology, Hennepin Healthcare , Minneapolis , MN , USA
6. Division of Nephrology , University of Minnesota , Minneapolis , MN , USA