Acknowledgements
The authors would like to thank all investigators and people who participated in the study. Medical writing support was provided by A. Rombout and F. Baert, Emtex Life Science, Belgium. A. Haegeman, E. Festjens and K. Vandenbroucke from Precigen ActoBio contributed to PK sample and data analysis. C. Acosta-Vega from Benaroya Research Institute Human Immunophenotyping Core contributed to CyTOF panel development and staining. E. Balmas, J. L. Blanchfield and J. Chen from Benaroya Research Institute developed the spectral cytometry panels, performed the activation-induced marker assays and analysed the spectral cytometry data.