According to the International Diabetes Federation, the global
population suffering from diabetes will increase by 51.1%, from 366
million in 2011 to 552 million people in 2030 [1]. Even in Korea, the
prevalence of diabetes is estimated to rise to 61.6%, from 3.2 million
in 2010 to 5.17 million people in 2030 [2]. In the past, type 2 diabetes,
accounting for 90e95% of diabetes mellitus cases, has been
regarded as a chronic disease occurring in people after their 40s