1. The Swire Institute of Marine Sciences and School of Biological Sciences; The University of Hong Kong; Hong Kong Special Administrative Region P. R. China
2. Department of Chemistry; The University of Hong Kong; Hong Kong Special Administrative Region P. R. China
3. Department of Biochemistry; L.K.S Faculty of Medicine; The University of Hong Kong; Hong Kong Special Administrative Region P. R. China
4. Department of Biology and Chemistry; City University of Hong Kong; Kowloon Tong Hong Kong
5. Biological; Environmental Sciences & Engineering; King Abdullah University of Science and Technology; Thuwal Kingdom of Saudi Arabia
6. Department of Molecular and Human Genetics; Baylor College of Medicine; Houston TX USA