DiTrapani J, Rockwood N, Jeon M. Explanatory IRT analysis using the SPIRT macro in SPSS. TQMP. 2018;14(2):81-98. doi: 10.20982/tqmp.14.2.p081
Nabbout R, Auvin S, Cross JH, Guerrini R, Scheffer I, Thiele E, Chiron C, Irwin J, Mistry A, Williamson N, Grimes R, Bennett B. Cultural relevance of the global impact of Dravet Syndrome in Australia, Italy, the US and UK. Eur J Paediatr Neuro. 2017 Jun 1;21(Suppl 1):E187. doi: 10.1016/j.ejpn.2017.04.777