@article{Sinnwell2014,
author = {Sinnwell, J.P. and Therneau, T.M. and Schaid, D.J.},
title= {The kinship2 R package for pedigree data},
year = {2014},
doi = {10.1159/000363105},
volume = {78},
number = {2},
pages = {91--93},
}