In 2004, Woo Suk Hwang, a veterinary scientist at Seoul National University, claimed to have succeeded in achieving the feat, but later admitted to faking the data.
Reports of Hwang Woo-suk's studies attracted worldwide attention and enthusiasm from researchers and patients, but in 2006 he acknowledged faking his findings after questions of impropriety emerged.
"To the extent that a military service branch that is having basically an epidemic of post-traumatic stress disorder is not embracing it as an epidemic, but instead sees it as 'they're faking, '" he said.