1. Center for Clinical Laboratories, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, China
2. Department of Clinical Biochemistry, School of Clinical Laboratory Science, Guizhou Medical University, Guiyang, Guizhou, China
3. Department of Laboratory Medicine, Hunan University of Medicine, Huaihua, Hunan, China
4. Department of Clinical Laboratory, The First Hospital Attached to Guiyang College of Traditional Chinese Medicine, Guiyang, Guizhou, China
5. Department of Gastrointestinal Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, China