Authors contributions
AG-A, CPC, FV-E, and RS-R designed the study. MAl and CPC provided clinical samples. AG-A, VS-A, LA-P and MAc performed neutralization assays. SB and AK provided reagents and plasmids. AG-A, DS and FV-E performed the statistical analysis. AG-A, FV-E, CPC, and RS-R wrote the manuscript. RS-R, FV-E and CPC acquired funding. All authors contributed to the article and approved the submitted version.