1. Genomics Research Center; Academia Sinica No. 128, Section 2; Academia Road Taipei 115 Taiwan
2. Department of Applied Chemistry; National Chiao Tung University; 1001 Ta Hsueh Road Hsinchu 300 Taiwan
3. Institute of Chemistry; College of Science; University of the Philippines; Diliman Quezon City 1101 Philippines
4. Department of Chemistry; Graduate School of Science; Osaka University; Osaka 560-0043 Japan