Received: 4 March 2021
Accepted: 4 June 2021
First Online: 29 July 2021
: Since this study involved analysis of pre-existing, de-identified data, it was exempt from Institutional Review Board approval at Boston University/Boston Medical Center, IRB Number: H-39098.
: Not applicable.
: M. Dubreuil served on an advisory board for UCB Inc. All other authors have no conflicts of interest or competing interests to disclose.