1. The Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong University Xi'an 710049 P. R. China
2. Bioinspired Engineering and Biomechanics Center (BEBC)Xi'an Jiaotong University Xi'an 710049 P. R. China
3. The Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine ResearchCollege of StomatologyXi'an Jiaotong University Xi'an 710049 P. R. China
4. College of Acupuncture‐Moxibustion and TuinaShanghai University of Traditional Chinese Medicine Shanghai 201203 P. R. China