Declarations
Conflict of interest: All authors declare that they have no competing interests regarding the present study.
Ethical approval: The study protocol was approved by the scientific and bioethics committee of “Aghia Sophia” Children’s Hospital (No. 6261) and was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.
Data availability: All relevant data are within the paper.
Author contributions E.B.T., D.M.K., and V.S. contributed to the conception of the study. C.D., E.B.T., D.M.K., F.F. and E.E.V. collected samples and demographic data. C.D., D.M.K., and E.B.T carried out the experiments. C.D. and E.B.T. analyzed the data. C.D. performed the phylogenetic analysis and wrote the initial manuscript. A.M., V.S. and E.B.T. supervised the study. All authors reviewed and approved the final manuscript.