Department of Ultrasound, The Fourth Affiliated Hospital of Nantong University (The First People's Hospital of Yancheng), 14 Yuehe Road, Yancheng 224006, Jiangsu Province, P. R. China
Ping Ji
Department of Ultrasound, The Fourth Affiliated Hospital of Nantong University (The First People's Hospital of Yancheng), 14 Yuehe Road, Yancheng 224006, Jiangsu Province, P. R. China
Hongwei Mao
Department of Ultrasound, The Fourth Affiliated Hospital of Nantong University (The First People's Hospital of Yancheng), 14 Yuehe Road, Yancheng 224006, Jiangsu Province, P. R. China
Jing Wu
Department of Ultrasound, The Fourth Affiliated Hospital of Nantong University (The First People's Hospital of Yancheng), 14 Yuehe Road, Yancheng 224006, Jiangsu Province, P. R. China