Correction to: Eur. Phys. J. Plus (2023) 138:953 https://doi.org/10.1140/epjp/s13360-023-04576-z


In Fig. 2 of this article, the text “Vietnam” was incorrectly located on the map which should be removed:

figure a

The correct Fig. 2 should have appeared as shown below:

figure 2

The original article has been corrected.