The effect of human mobility and control measures on the COVID-19 epidemic in China by Kraemer, MUG, Yang, C-H, Gutierrez, B, Wu, C-H, Klein, B, Pigott, DM, Open COVID-19 Data Working Group, du Plessis, L, Faria, NR, Li, R, Hanage, WP, Brownstein, JS, Layan, M, Vespignani, A, Tian, H, Dye, C, Pybus, OG, Scarpino, SV