1. Central Laboratory of Shanghai Municipal Hospital of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine Shanghai 200071 P. R. China
2. State Key Laboratory of High‐Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences Shanghai 200050 P. R. China
3. Materdicine Lab School of Life Sciences Shanghai University Shanghai 200444 P. R. China
4. Department of Ultrasound Zhongshan Hospital Fudan University, and Shanghai Institute of Medical Imaging Shanghai 200032 P. R. China
5. Department of Ultrasound Shanghai Pulmonary Hospital School of Medicine Tongji University Shanghai 200433 P. R. China