Funding Information: The authors thank the EuResist Network (www.euresist.org) for providing data and the reviewers for their insightful comments which improved both the manuscript and PhyloGeoTool software. Funding Information: This work was supported by EucoHIV (www.eucohiv.org). K.T. is funded as a Postdoctoral Researcher by the Research Foundation \u2013 Flanders (FWO). P.L. is funded by a doctoral grant of...