@article {Gustafson2008, title = {Bayesian multinomial regression with class-specific predictor selection}, journal = {The Annals of Applied Statistics}, year = {2008}, pages = {1478{\textendash}1502}, publisher = {JSTOR}, doi = {10.1214/08-aoas188}, author = {Gustafson, Paul and Lefebvre, Genevieve} }