Ke Wan1, Yafei Yin2, Zimian Luo3, Jianzhao Cheng1. 1. Department of Nephrology, Xiangtan Central hospital, City, Xiangtan, Hunan Province, China. 2. Department of Hematology, Xiangtan Central hospital, City, Xiangtan, 411100, Hunan Province, China. sunlight2235@126.com. 3. Department of Hematology, Xiangtan Central hospital, City, Xiangtan, 411100, Hunan Province, China.