1. Department of Surgery, National University Health System, Singapore.
2. Department of Surgery, Yong Loo Lin School of Medicine, Natioanl University of Singapore, Singapore.
3. Department of Pathology, National University Health System, Singapore.
4. Division of Plastic, Reconstructive and Aesthetic Surgery, Department of Surgery, National University Health System, Singapore.
5. Institute of Bioengineering and Nanotechnology, Agency of Science, Technology and Research, Singapore.
6. Defence Medical and Environmental Research Institute, DSO National Laboratories, Singapore.