The evolution of hard tick-borne relapsing fever borreliae is correlated with vector species rather than geographical distance - Kentaro Kasama; Ken Maeda; Atsushi Toyoda; Yoshitoshi Ogura; Ranna Nakao; Bazartseren Boldbaatar; Tetsuya Hayashi; Ai Takano; Hiroki Kawabata (BMC Ecology and Evolution, 2021)