Phylogenetic analyses of SARS-CoV-2 B.1.1.7 lineage suggest a single origin followed by multiple exportation events versus convergent evolution

The authors have withdrawn this manuscript because it will need to be fully actualized to properly acknowledge the contribution of several genomic data contributors, including the unique contribution of the COG-UK consortium. Therefore, the authors do not wish this work to be cited as reference for the project. If you have any questions, please contact the corresponding authors