1. Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 106, Taiwan
2. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect 29, Moscow 119991, Russia
3. Department of Life Sciences and Institute of Genome Sciences, Institute of Biomedical Informatics, National Yang-Ming University, Taipei 112, Taiwan
4. Department of Applied Chemistry, National Chiao Tung University, Hsinchu 300, Taiwan