Patrick Ming-Kuen Tang, Linda Dong-Mei Zhang, Judy Yuet-Wa Chan, Julia Kin-Ming Lee, Chi Liu, Shannon Wing-Ngor Au, Siu-Kai Kong, Stephen Kwok-Wing Tsui, Mary Mui-Yee Waye, Thomas Chung-Wai Mak and Kwok-Pui Fung
Research Journal of Medical Sciences 1 ( 1 ): 30 - 38 , 2007