1. Department of Human Anatomy, Faculty of Medicine & Health Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
2. Department of Medicine, Faculty of Medicine & Health Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
3. Herbal Medicine Research Centre, Institute for Medical Research, Jalan Pahang, Kuala Lumpur, Malaysia