Tianzhu Tao, Xiaohong Zhao, Jingsheng Lou, Lulong Bo, Fei Wang, Jinbao Li* and Xiaoming Deng*
* Corresponding authors: Jinbao Li lijinbaoshanghai@163.com - Xiaoming Deng deng_x@yahoo.com
Critical Care 2012, 16:R110 doi:10.1186/cc11401