MIN-HSIEN , LIU. Personal interview. November 11, 2008.
YU-KUAN , CHUNG. Personal interview. November 11, 2008.
A-YI , CHEN. Personal interview. November 11, 2008.
TA-KO , LIU. Personal interview. January 8, 2009.
HSIU-HUI , LIU. Personal interview. February 27, 2009.