*Department of Medical Imaging and Nuclear Medicine, The Fourth Affiliated Hospital, Harbin Medical University
†Department of Medical Imaging, NO. 211 Hospital of the People’s Liberation Army
Departments of ‡Medical Imaging
§Geriatrics
∥International Physical Examination and Healthy Center, The Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China
G.J. and Z.-G.C. contributed equally.
The authors declare no conflict of interest.
Reprints: Bao-zhong Shen, MD, PhD, Department of Medical Imaging and Nuclear Medicine, The Affiliated Fourth Hospital, Harbin Medical University, 37 Yiyuan Street, Nangang District, Harbin 150001, Heilongjiang, China (e-mail: [email protected]).
Received December 22, 2013
Accepted May 27, 2014
