Ole Lund is Associate Professor and leader of the Immunological Bioinformatics group at the Center for Biological Sequence Analysis at Technical University of Denmark. Morten Nielsen is Associate Professor at the Center for Biological Sequence Analysis at Technical University of Denmark. Claus Lundegaard is Associate Professor at the Center for Biological Sequence Analysis at Technical University of Denmark. Can Kesmir is Assistant Professor in the Department of Theoretical Biology at Utrecht University. S ren Brunak is Professor and Director of the Center for Biological Sequence Analysis at the Technical University of Denmark.