- Correspondence to Dr James M Smoliga, Department of Physical Therapy, High Point University, High Point NC 27268, USA; and Dr Lizhen Wang, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, China;
- Accepted October 1, 2018
- First published October 26, 2018.
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