1. Department of Clinical Laboratory, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121001, P.R. China
2. Department of General Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121001, P.R. China
3. Institute of Eyes, Jinzhou Medical University, Jinzhou, Liaoning 121001, P.R. China