1. Division of Nephrology Department of Medicine Faculty of Medicine King Chulalongkorn Memorial Hospital Thai Red Cross Society and Chulalongkorn University Bangkok Thailand
2. Department of Pharmacology Faculty of Medicine Chulalongkorn University Bangkok Thailand
3. Clinical Pharmacokinetics and Pharmacogenomics Research Unit Department of Pharmacology Faculty of Medicine Chulalongkorn University Bangkok Thailand
4. Department of Nursing King Chulalongkorn Memorial Hospital Thai Red Cross Society Bangkok Thailand
5. Research Unit for Metabolic Bone Disease in CKD patients Faculty of Medicine Chulalongkorn University Bangkok Thailand