Seo EH, Lee DY, Kim SG, Kim KW, Kim DH, Kim BJ, Kim MD, Kim SY, Kim YH, Kim JL, Kim JW, Moon SW, Park JH, Ryu SH, Yoon JC, Lee NJ, Lee CU, Jhoo JH, Choo LH, Woo JI. Validity of the telephone interview for cognitive status (TICS) and modified TICS (TICSm) for mild cognitive imparment (MCI) and dementia screening. Arch Gerontol Geriatr. 2011;52(1):e26-30. https://doi.org/10.1016/j.archger.2010.04.008