Yue-Ping Liu1, Ying Liu2, Qian-Chuan Huang2, Min Chen2, Bo Diao3. 1. Department of Medical Laboratory Center, General Hospital of the Central Theater Command, Wuhan, China; Department of Medical Laboratory Medicine, 991st Hospital of Joint Logistic Support Troop, Xiangyang, China. 2. Department of Medical Laboratory Medicine, General Hospital of the Central Theater Command, Wuhan, China. 3. Department of Medical Laboratory Center, General Hospital of the Central Theater Command, Wuhan, China. dpitao@163.com.