Takahashi S, Liao Q, Van Boeckel TP, Xing W, Sun J, Hsiao VY, Metcalf CJ, Chang Z, Liu F, Zhang J, Wu JT, Cowling BJ, Leung GM, Farrar JJ, van Doorn HR, Grenfell BT, Yu H. Hand, Foot, and Mouth Disease in China: Modeling Epidemic Dynamics of Enterovirus Serotypes and Implications for Vaccination. PLoS Med. 2016 Feb; 13(2):e1001958.