1. Department of Medical Research, Hualien Tzu Chi Hospital , Buddhist Tzu Chi Medical Foundation, No. 707, Sec. 3, Chung-Yang Rd., Hualien City 970, Taiwan
2. Department of Chemistry, National Taiwan Normal University , Taipei 116, Taiwan
3. Escuela de Quimica, Universidad de Costa Rica , Ciudad Universitaria Rodrigo Facio, San Pedro de Montes de Oca, San Jose 11501-2060, Costa Rica
4. Centre for Experimental and Constructive Mathematics, Department of Mathematics, Simon Fraser University, , 8888 University Drive, Burnaby V5A 1S6, British Columbia, Canada 4
5. Tzu-Chi University of Science and Technology , No. 880, Sec. 2, Chien-kuo Rd., Hualien City 970, Taiwan