1. Institute of Molecular and Cell Biology, Agency for Science Technology and Research, Singapore 138673, Singapore.
2. Departments of Biochemistry and Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore.
3. Section of Cell Biology and Functional Genomics and Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London W12 0NN, UK.
4. Center for Neuro-Metabolism and Regeneration Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou 510700, China.