1. Shanghai Advanced Institute of Finance, Shanghai Jiao Tong University, Datong Plaza, 211 West Huaihai Road, Room 603, Shanghai, China 200030, China
2. Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, China
3. St. John's University, 499, Sec. 4, Tam King Road, Tamsui District, New Taipei City, 25135 Taiwan, R.O.C
4. Department of Management Science, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan 300, ROC