1. Department of Nephrology, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Heilongjiang, China
2. Department of Encephalopathy, Second Hospital Affiliated to Heilongjiang University of Chinese Medicine, Heilongjiang, China
3. Department of Blood Purification, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Heilongjiang, China
4. Department of Science and Technology, Heilongjiang University of Chinese Medicine, Heilongjiang, China