1. Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
2. PG and Research Department of Chemistry, V. O. Chidambaram College, Tuticorin – 628 008, Tamil Nadu, India
3. Department of Applied Chemistry, National Chi Nan University, Nantou 545, Taiwan
4. Department of Chemistry, National Taiwan University, Taipei 107, Taiwan
5. Department of Chemistry, Bannari Amman Institute of Technology, Sathyamangalam – 638 401, India
6. Department of Chemistry, Pondicherry University, Puducherry 605 014, India
7. Department of Chemistry, Fu Jen Catholic University, New Taipei City 242, Taiwan