1. Department of Pharmacy, Xijing Hospital, Air Force Medical University, Xi’an, Shaanxi, P.R. China
2. Department of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, P.R. China
3. Department of Ultrasound, Xijing Hospital, Air Force Medical University, Xi’an, Shaanxi, P.R. China
4. Northwestern Polytechnical University Hospital, Xi’an, Shaanxi, P.R. China
5. The College of Life Sciences, Northwest University, Xi’an, Shaanxi, P.R. China