1. School
of Environmental Engineering, Graduate School of Energy and Environmental
System Engineering, University of Seoul, 163 Siripdaero, Dongdaemun-gu, Seoul 130-743, Korea
2. Department of Biological Sciences, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Geumjeoung-gu,
Busan 609-735, Korea
3. SPENALO, National Robotics Research Center, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Geumjeoung-gu,
Busan 609-735, Republic of Korea