Liu Chunli, Li Jinlai, Sun Wenqing, Yang Ruyan, Lu Wen, Gao Dachuan, Wu Dawei
Department of Intensive Care Unit, Shandong Chest Hospital, Jinan, Shandong 250013, China.
Department of Intensive Care Unit, Zaozhuang Municipal Hospital, Zaozhuang, Shandong 277102, China.
Chin Med J (Engl). 2014;127(9):1798.