1 Erratum to: Eur. Phys. J. C (2021) 81:331 https://doi.org/10.1140/epjc/s10052-021-09046-3

In this article the affiliation ‘P.N. Lebedev Phys. Inst., Russian Academy of Sciences, Leninsky Prospect 53, Moscow 119991, Russia’ for author A. E. Shabad was missing.

The original article has been corrected.