Acknowlegments
The authors acknowledge the support of ‘Centro di Ricerca sulle cellule staminali emopoietiche e le terapie cellulari “Università Cattolica S. Cuore, Roma”’.
Potential conflict of interest
Disclosure forms provided by the authors are available with the full text of this article online at http://dx.doi.org/10.1080/10428194.2018.1522436.