GREEN CROSS CORPORATION; LEE, Jinhwa; KIM, Jeongmin; LEE, Suk Ho; LEE, Junwon; SONG, Kwang-Seop; PARK, Eun-Jung; KIM, Min Ju; SEO, Hee Jeong; LEE, Sung-Han; SON, Eun Jung; KIM, Jong Yup; KANG, Suk Youn; KONG, Younggyu Patent: WO2011/159067 A2, 2011 ; WO 2011/159067 A2