Editor Zhenchang Wang is a professor at the Department of Radiology, Beijing Friendship Hospital, Capital Medical University, China. Editor Junfang Xian is a professor at the Department of Radiology, Beijing Tongren Hospital, Capital Medical University, China. Editor Fengyuan Man is an associate professor at the Department of Medical Imaging, the PLA Rocket Force General Hospital, China. Editor Zhengyu Zhang is an associate professor at Department of Radiology, Beijing Unicare ENT hospital, China.