1. The Hong Kong Polytechnic Shenzhen Research Institute, Nanshan, Shenzhen, P. R. China
2. Department of Applied Biology and Chemical Technology and the State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University, Hung Hom, Kowloon Hong Kong SAR, P. R. China
3. Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hung Hom, Kowloon Hong Kong SAR, P. R. China