1. Department of Hematology, Xiangya Hemophilia Diagnosis and Treatment Center, Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China
2. Department of Rehabilitation, Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China
3. Department of Ultrasonography, Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China