1. National Skin Centre, Singapore 308205, Singapore.
2. A*STAR Institute of High Performance Computing, Singapore 138632, Singapore.
3. Formerly Neuromuscular Research Laboratory, National Neuroscience Institute, Singapore 308433, Singapore.
4. Department of Clinical Research, Singapore General Hospital, Singapore 169608, Singapore.
5. Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore.