Affiliation: | 1. Department of Biomedical Materials Engineering, Kangwon National University, , Chuncheon, 200‐701 Republic of Korea;2. Institute of Bioscience and Bioengineering, Kangwon National University, , Republic of Korea;3. Department of Biomedical Engineering and Chemistry of Life Processes Institute, Northwestern University, , Evanston, IL, 60208 USA |