HistFitter software framework for statistical data analysis M. Baak, G. J. Besjes, D. Côté, A. Koutsman, J. Lorenz and D. Short Eur. Phys. J. C, 75 4 (2015) 153 Published online: 17 April 2015 DOI: 10.1140/epjc/s10052-015-3327-7