SK BIOPHARMACEUTICALS CO., LTD.; Bae, Sung Jin; Yi, Han Ju; Hwang, Sun Gwan; Jeong, Mo Ses; Yoon, Yeo Jin; Chae, Sang Mi; Park, Joo Young; Ryu, Eun Ju Patent: US2013/217686 A1, 2013 ; Location in patent: Paragraph 0206-0208 ;