Institution: | aDepartment of Physiology, Seoul National University College of Medicine, Seoul 110-799, Republic of Korea;bGraduate School of Medical Science and Engineering, KAIST, Daejeon 305-701, Republic of Korea;cDepartment of Biotechnology, Yeungnam University, Gyeongsan 712-749, Republic of Korea;dInstitute of Dermatological Science, Seoul National University, Seoul, Republic of Korea;eCenter for Bio-Artificial Muscle and Department of Biomedical Engineering, Hanyang University, Seoul 133-791, Republic of Korea |