KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY; KIM, Dong Jin; YOO, Kyung Ho; KIM, Young Soo; PARK, Woong Seo; KANG, Yong Koo; KIM, Hye Yun; KIM, Yun Kyung; PARK, Ki Duk; KIM, Maeng Sup; SUH, Kwee Hyun; AHN, Young Gil Patent: WO2013/147568 A1, 2013 ; Location in patent: Page/Page column 13 ;