1. Manila Doctor’s Hospital, College of Medicine Adventist University of the Philippines, Philippines
2. Section of Cardiology, University of Santo Tomas, Philippines
3. Section of Hypertension, University of the Philippines-Philippine General Hospital, St. Luke’s Medical Center, Global City, Philippines
4. Disease Prevention and Control Bureau, Department of Health, Philippines
5. Asian Hospital and Medical Center and LRI-Therapharma, Philippines
6. HealthFirst Medical Clinics, Philippines
7. Section of Nephrology, University of the Philippines-Philippine General Hospital, Philippines
8. Section of Endocrinology and Metabolism, Faculty of Medicine and Surgery, University of Santo Tomas, Philippines
9. Physiology Section, University of the Philippines College of Medicine, Philippines
10. Section of Neuro-Psychiatry, University of Santo Tomas, Philippines
11. Department of Education, Philippine Heart Center, Philippines
12. Section of Neurology, Manila Doctor’s Hospital, Philippines
13. Section of Cardiology, Medical Center Manila, Philippines
14. Imperial Clinical Trials Unit, Imperial College London, Stadium House, 68 Wood Lane, London W12 7RH, UK