@article{SchmidtRichberg16,
    author = {Schmidt-Richberg, A. and Ledig, C. and Guerrero, R. and Molina-Abril, H. and Frangi, A. and Rueckert, D.}
    journal = {PLoS ONE},
    title = {{Learning biomarker models for progression estimation of Alzheimer’s disease}},
    year = {2016},
    volume = {11},
    pages = {e0153040},
    number = {4}
}