Erratum to: Scattering and bound states for the Hulthén potential in a cosmic string backgroundMansoureh Hosseinpour, Fabiano M. Andrade, Edilberto O. Silva and Hassan HassanabadiEur. Phys. J. C, 77 6 (2017) 373DOI: https://doi.org/10.1140/epjc/s10052-017-4928-0