1. KU-KIST Graduate School of Converging Science and Technology; Korea University; 145, Anam-ro, Seongbuk-gu Seoul 02841 Republic of Korea
2. Professional Graduate School of Flexible and Printable Electronics; LANL-CBNU Engineering Institute Korea; Chonbuk National University; 664-14, Deokjin-dong, Deokjin-gu Jeonju-si Jeollabuk-do 561-756 Republic of Korea