1. Department of Hematology, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, 225001, P. R. China
2. Department of Endocrinology, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, 225001, P. R. China
3. Graduate School of Dalian Medical University, Dalian, Liaoning, 116044, P. R. China