Dayan Yang?, Qiqing Chen?, Min Zhang, Guiying Feng, Dandan Sun, Ling Lin*, Xiangxiang Jing*
海南省人民医院林凌教授、景香香教授
Department of Ultrasonography, Hainan General Hospital/Hainan Affiliated Hospital of Hainan Medical University, Hainan, People's Republic of China
? These authors contributed equally to this work
