F. de O. M. Maia, Y. A. de O. Duarte, S. R. Secoli, J. L. F. Santos, and M. L. Lebrão, “ Cross-cultural adaptation of the Vulnerable Elders Survey-13 (VES-13): helping in the identification of vulnerable older people ”, Rev. Esc. Enferm. USP, vol. 46, no. spe, pp. 116–122, Oct. 2012, doi: 10.1590/S0080-62342012000700017.