1. Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
2. School of Life Sciences, Nanchang University, Nanchang, Jiangxi 330031, P.R. China
3. Qingdao Medical College, Qingdao University, Qingdao, Shandong 266073, P. R. China
4. Department of Chemical and Biomedical Engineering, University of Missouri, Columbia, Missouri 65211, United States