@article{de Wreede2011,
author = {de Wreede, L.C. and Fiocco, M. and Putter, H.},
title= {Mstate: An r package for the analysis of competing risks and multi-state models},
year = {2011},
doi = {10.18637/jss.v038.i07},
journal = {Journal of Statistical Software},
volume = {38},
number = {7},
pages = {1--30},
}