1. Yong Loo Lin School of Medicine, National University of Singapore, Singapore
2. Department of Podiatry, Sengkang General Hospital, Singapore
3. Department of Podiatry, Singapore General Hospital, Singapore
4. Vascular Surgery, Department of Surgery, Sengkang General Hospital, Singapore
5. Department of Endocrinology, Department of General Medicine, Sengkang General Hospital, Singapore