Acknowledgements
P.
MULTIPLE SCLEROSIS
We would like to thank all the patients and their families for participating in the trial and for their continuous and generous support throughout the whole study. We would like to thank M. Battaglia and P. Zaratin from FISM for their continuous and generous support. We are grateful to the steering committee of the study - composed of A. Uccelli (University of Genua, Genua, Italy), M. Salvetti (University of Rome, Rome, Italy) and P. Muraro (Imperial College, London, UK) - for their invaluable work in assessing the trial over time. We acknowledge the contributions of B. Von Wunster. We are grateful to the pharmacovigilance service of the San Raffaele Hospital. We thank V. Colombo and M. Quaroni for their excellent technical support in GMP production and quality controls. Reagents for ddPCR-based microchimerism analysis were kindly provided by GenDx. We thank Fondazione Ca’ Granda Milan for providing the fetal tissue. We thank R. Applefield for the linguistic revision of the manuscript. This work would not be possible without the continuous and generous support from the Italian Multiple Sclerosis Foundation (Progetto speciale 2017/S/1 to G.M.). This work was also supported, in part, by grants from Fondazione Cariplo (Progetto 2010-1835 to G.M.), Associazione Amici Centro Sclerosi Multipla (ACeSM), BMW Italia, Fondazione Tettamanti Menotti De Marchi ONLUS, Comitato Stefano Verri ONLUS and Comitato Maria Letizia Verga ONLUS. The funders of the study had no role in the collection, analysis or interpretation of data, in the writing of the manuscript or in the decision to submit the paper for publication.