1. Pukyong National University, Interdisciplinary Program of Marine-Bio, Department of Electrical and Mechanical Engineering, 45 Yongso-ro, Nam-Gu, Busan 608-737, Republic of Korea
2. Kyungpook National University, School of Electrical Engineering and Computer Science, 80 Daehakro, Bukgu, Daegu 702-701, Republic of Korea
3. Pukyong National University, Department of Physics, 45 Yongso-ro, Nam-Gu, Busan 608-737, Republic of Korea
4. Pukyong National University, Interdisciplinary Program of Marine-Bio, Department of Electrical and Mechanical Engineering, 45 Yongso-ro, Nam-Gu, Busan 608-737, Republic of KoreadPukyong National University, Center for Marine-Integrated Biomedical Technolo