In the original article, I neglected to include the funder (Deutsche Forschungsgemeinschaft) and (Open Access Publishing Fund of the University of Potsdam) to CG. The author apologizes for this error. This does not change the scientific conclusions of the article in any way.
Conflict of interest statement
The author declares that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
Footnotes
Funding. This work received financial support from the Deutsche Forschungsgemeinschaft and the Open Access Publishing Fund of the University of Potsdam.