1. Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
2. Department of Chemical Engineering and Biotechnology, Tatung University, Taipei 104, Taiwan
3. Laboratory of Nuclear Magnetic Resonance, Department of Medical Research, Taipei Veterans General Hospital, Taipei 11217, Taiwan
4. Institute of Biochemistry and Molecular Biology, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan