Author contributions
H.D. and X.Y.C. designed, conducted, and analyzed the experiments with
oversight by Y.H.Z.. Y.T.L. and X.H. performed forced swim test. H.L.Z
and Y.Q. performed sucrose preference test. N.K. performed
novelty-suppressed feeding test. H.D., S.Y.C. and Y.H.Z. wrote the
paper. All authors reviewed and approved the final manuscript.