1. Biomedicine Programme, School of Health Sciences Universiti Sains Malaysia Kubang Kerian 16150 Malaysia
2. Department of Chemical Pathology, School of Medical Sciences Universiti Sains Malaysia Kubang Kerian 16150 Malaysia
3. Department of Anatomy, Yong Loo Lin School of Medicine National University of Singapore, Singapore 117597 Singapore
4. Doping Control Centre Universiti Sains Malaysia Penang 11800 Malaysia