1 Department of Core Technology, R&D Center, LG Household & Health Care, Seoul, Republic of Korea.
2 Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Samsung Medical Center, College of Medicine, Sungkyunkwan University, Seoul, Republic of Korea.
3 Department of Core Technology, R&D Center, LG Household & Health Care, Seoul, Republic of Korea. Electronic address: ngkang@lghnh.com.