Author Contributions
F.G. and Y.S. conceived the original screening and research plans; H.G.
and Y.S. supervised the experiments; Q.W. and X.L. performed most of the
experiments; Q.W., E.Y. conducted the field sampling; Q.W. and H.G.
designed the experiments and analyzed the data; Q.W., Y.S. and K.Z-S.
wrote the article with contributions of all the authors.