1. Researcher, Laboratory of Applied Environmental Chemistry, Dept. of Environmental Sciences, Univ. of Kuopio, Patteristonkatu 1, 50100 Mikkeli, Finland; formerly, Project Assistant, Dept. of Chemical and Biomolecular Engineering, The Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China (corresponding author).
2. Research Associate, Dept. of Chemical and Biomolecular Engineering, The Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
3. Professor, Laboratory of Applied Environmental Chemistry, Dept. of Environmental Sciences, Univ. of Kuopio, Patteristonkatu 1, 50100 Mikkeli, Finland; and Lappeenranta Univ. of Technology, Faculty of Technology, Patteristonkatu 1, FI-50100 Mikkeli, Finland.
4. Professor, Dept. of Chemical and Biomolecular Engineering, The Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.