Footnotes

• Contributors ST and AA conceived the presented idea. DTT contributed to the critical revision. YG supervised the findings of this idea. All authors discussed the results and contributed to the final manuscript.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests None declared.

• Patient consent for publication Not required.

• Provenance and peer review Not commissioned; internally peer reviewed.