de Wreede LC, Fiocco M, Putter H. mstate: An R Package for the Analysis of Competing Risks and Multi-State Models. J. Stat. Soft. [Internet]. 2011 Jan. 4 [cited 2024 Apr. 23];38(7):1-30. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v038i07