1. Clinical Research CentreHospital Pulau Pinang, Ministry of Health Malaysia Penang Malaysia
2. Nephrology UnitHospital Pulau Pinang, Ministry of Health Malaysia Penang Malaysia
3. Hospital Tuanku Ja'afar SerembanMinistry of Health Malaysia Seremban Malaysia
4. Department of MedicineHospital Sultanah Aminah, Ministry of Health Malaysia Johor Bahru Malaysia
5. Department of NephrologyHospital Selayang, Ministry of Health Malaysia Selangor Malaysia
6. Nephrology UnitHospital Tengku Ampuan Rahimah, Ministry of Health Malaysia Kuala Lumpur Malaysia
7. Department of NephrologyHospital Kuala Lumpur, Ministry of Health Malaysia Kuala Lumpur Malaysia