Comment on “Quantum discord through the generalized entropy in bipartite quantum states” Guido Bellomo, Angelo Plastino, Anna P. Majtey and Angel R. Plastino Eur. Phys. J. D, 68 11 (2014) 337 Published online: 04 November 2014 DOI: 10.1140/epjd/e2014-50474-x