1. Department of Ultrasound Diagnostics, Tangdu Hospital, Fourth Military Medical University, Xi’an 710038, People’s Republic of China
2. The State Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi’an 710032, People’s Republic of China
3. Department of Hematology, Tangdu Hospital, Fourth Military Medical University, Xi’an, 710038, People’s Republic of China