1. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
2. Division of Integrative Bioscience, Institute of Regenerative Medicine and Biofunction, Tottori University Graduate School of Medical Sciences, Yonago, Japan
3. Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
4. Department of Phsyiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore