Affiliations 1, 2 and 3 for all authors are incorrect. The correct affiliation number 1 is: Department of Anthropology, Faculty of Humanities, Charles University, Prague, Czech Republic. The correct affiliation number 2 is: Centre for Theoretical Study, Charles University and the Academy of Sciences of the Czech Republic, Prague, Czech Republic. The correct affiliation number 3 is: Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic.
Footnotes
Competing Interests: No competing interests declared.
