1. School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine , Tianjin , China
2. Department of Clinical Laboratory, Tianjin Haihe Hospital , Tianjin , China
3. Intensive Care Unit, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine , Tianjin , China
4. Department of Clinical Laboratory, The Second Hospital of Tianjin Medical University , Tianjin , China