1. Department of Laboratory Medicine, The Second Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471000, P.R. China
2. Department of Laboratory Medicine, Beijing ChuiYangLiu Hospital affiliated to Tsinghua University, Beijing 100022, P.R. China
3. Department of Laboratory Medicine, Hongqi Hospital of Mudanjiang Medical College, Mudanjiang, Heilongjiang 157011, P.R. China
4. Department of Laboratory Medicine, The Second Affiliated Hospital of Mudanjiang Medical College, Mudanjiang, Heilongjiang 157001, P.R. China