1. Herbal Medicine Research Centre, Institute for Medical Research, National Institutes of Health Ministry of Health Malaysia, Setia Alam, Malaysia
2. Nutrition, Metabolism and Cardiovascular Research Centre, Institute for Medical Research, National Institutes of Health, Ministry of Health Malaysia, Setia Alam, Malaysia
3. Centre for Nutrition and Epidemiology Research, Institute of Public Health, National Institutes of Health, Ministry of Health Malaysia, Setia Alam, Malaysia
4. Environmental Health Research Centre, Institute for Medical Research, National Institutes of Health, Ministry of Health Malaysia, Setia Alam, Malaysia
5. Food Safety and Quality Division, Ministry of Health Malaysia, Wilayah Persekutuan, Malaysia
6. Department of Radiotherapy and Oncology, Kuala Lumpur Hospital, Ministry of Health Malaysia, Jalan Pahang, Malaysia
7. Department of Urology, Selayang Hospital, Ministry of Health Malaysia, Lebuhraya Selayang-Kepong, Batu Caves, Malaysia
8. Department of Urology, Pulau Pinang Hospital, Ministry of Health Malaysia, George Town, Malaysia
9. Department of Radiotherapy and Oncology, Sultan Ismail Hospital, Ministry of Health Malaysia, Johor Bahru, Malaysia
10. Clinical Research Centre, Sultan Ismail Hospital, Ministry of Health Malaysia, Johor Bahru, Malaysia