Yi-Min Wang, Yu-Jun Lin, Ming-Jung Chuang, Tsung-Han Lee, Nai-Wen Tsai, Ben-Chung Cheng, Wei-Che Lin, Ben YJ Su, Tzu-Ming Yang, Wen-Neng Chang, Chih-Cheng Huang, Chia-Te Kung, Lian-Hui Lee, Hung-Chen Wang* and Cheng-Hsien Lu*
* Corresponding authors: Hung-Chen Wang m82whc@yahoo.com.tw - Cheng-Hsien Lu chlu99@ms44.url.com.tw
BMC Surgery 2012, 12:12 doi:10.1186/1471-2482-12-12