1. Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan
2. Advanced Membrane Materials Center, National Taiwan University of Science and Technology, Taipei 106, Taiwan
3. Department of Material Science and Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
4. R&D Centre for Membrane Technology, Chung Yuan University, Taoyuan 320, Taiwan
5. Department of Chemical and Materials Engineering, Chang Gung University, Tao-Yuan 333, Taiwan
6. Department of General Dentistry, Chang Gung Memorial Hospital, Tao-Yuan 333, Taiwan