Author contributions
Francesca Grulli and Davide Lonati wrote the first draft of the manuscript and no grant or honorarium was given to anyone to produce the manuscript. Francesca Perotti, Arsenio Spinillo and Carlo A. Locatelli reviewed the final article version. Anna Ronchi performed the analysis on biological samples. All authors were responsible for critical revision and final approval of the article.
Disclosure statement
No potential conflict of interest was reported by the author(s).