Nana Hu and Wenqian Shen contributed equally
Qinghua Zhang2, MD ,Guohua Cai2, MD ,Yanmei Zhang3, MD ,Guoqing Du1,4, MD
1Department of Ultrasound, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
2Department of Cardiovascular, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
3Department of Pathology, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
4Department of Ultrasound, Guangdong Provincial People’s Hospital,Guangdong Academy of Medical Sciences
Corresponding author : Guoqing Du, MD
Department of Ultrasound, Guangdong Provincial People’s Hospital,Guangdong Academy of Medical Sciences/Department of Ultrasound, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
Email: duguoqing9@163.com
Authors’ contributions : Guoqing Du: the conception or design of the work; Nana Hu/Wenqian Shen: have drafted the work or substantively revised it; Guohua Cai/Qinghua Zhang/Yanmei Zhang: the acquisition, analysis, or interpretation of data.