[1] Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Environm Sci Program, Shatin, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, Dept Biol, Shatin, Hong Kong, Peoples R China