1. Department of Military and Community Medicine Phramongkutklao College of Medicine Bangkok Thailand
2. Division of Nephrology and Hypertension, Department of Medicine Mayo Clinic Rochester Minnesota
3. Division of Nephrology, Department of Medicine Phramongkutklao Hospital and College of Medicine Bangkok Thailand
4. Department of Internal Medicine University of Arizona Tucson Arizona
5. Division of Nephrology and Hypertension, Department of Medicine Mayo Clinic Jacksonville Florida
6. Division of Nephrology, Department of Medicine University of Mississippi Medical Center Jackson Mississippi