1. Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
2. Department of Biochemistry, University of Wisconsin, Madison, WI 53706, U.S.A.
3. School of Molecular & Biomedical Science, University of Adelaide, SA 5005, Australia
4. School of Biomedical, Biomolecular and Chemical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6100, Australia