Affiliation: | 1. School of Medicine, Shandong First Medical University, Jinan, Shandong, China;2. Shandong Provincial Hospital Affliated to Shandong First Medical University, Jinan, Shandong, China;3. CT Department, Heze Municipal Hospital, Heze, Shandong, China;4. MR Scientific Marketing, Diagnosis Imaging, Siemens Healthcare Ltd, Chaoyang, Beijing, China |