1. Department of Information Communication Convergence Technology Soongsil University Seoul 06978 South Korea
2. Department of Chemical Engineering Hanyang University Seoul 04763 South Korea
3. Thin Film Materials Research Center Korea Research Institute of Chemical Technology Daejeon 34114 South Korea
4. Medical Device and Digital Healthcare Development Pohang University of Science and Technology Pohang 37673 South Korea
5. Institute of Nano Science and Technology Hanyang University Seoul 04763 South Korea
6. School of Electronic Engineering Soongsil University Seoul 06978 South Korea