Acknowledgements
We thank the participants for their dedication and contributions to the study, the Study Investigators, and our clinical team colleagues at PPD for their collaboration. Medical writing and editorial assistance were provided by Emily Stackpole, PhD, and Jared MacKenzie, PhD, of MEDiSTRAVA in accordance with Good Publication Practice (GPP3) guidelines, funded by Moderna, Inc., and under the direction of the authors. Moderna, Inc., was involved in the study design, data collection and analysis, and the writing of this manuscript. This study was funded by Moderna, Inc.