Correction: Eur. Phys. J. Spec. Top. (2023) 232:1247–1252 https://doi.org/10.1140/epjs/s11734-022-00762-9

In the original version of this article, the given and family names of the authors were incorrectly structured.

The correct names are Irina Bashkirtseva and Lev Ryashko.

The original article has been corrected.