1Department of Cardiovascular Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
*Corresponding author. Department of Cardiovascular Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, #88 Jiefang Road, Hangzhou 310009, China. Tel: +86-0571-87783639; fax: 86-0571-87022660; e-mail: [email protected] (A.-Q. Dong).
Received April 01, 2014; accepted May 05, 2014; previously published online June 12, 2014
