1. School of Social Sciences, Universiti Sains Malaysia, Minden, Penang, Malaysia
2. International School, Huaqiao University, No. 269 Chenghua North Rd., Fengze District, Quanzhou, Fujian, China
3. College of Economics and Management, China Agricultural University, No. 17 Qinghuadong Road, Haidian District, Beijing, China
4. School of Public Health, Georgia State University 140 Decatur Street, Atlanta, GA, USA
5. Institute of Applied Economics, National Taiwan Ocean University, 2 Pei-Ning Road, MAF 524-1, Keelung, Taiwan