1. Aquaporin Asia Pte. Ltd., 1 Cleantech Loop, Singapore 637141
2. Department of Chemical Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
3. Research Center for Membrane and Film Technology, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
4. Department of Chemical Science and Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
5. School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China