anchor.diff:  2016MNRAS.tmp.1344G,k2,astrophysics
   2016MNRAS.tmp.1400G,k2,exoplanets
   2016MNRAS.tmp.1448G,k2,exoplanets
  +2016MNRAS.tmp.1494D,kepler,astrophysics
   2016NatCo...711201L,kepler,exoplanets
   2016Natur.529..139W,unrelated,
   2016Natur.529..181V,kepler,astrophysics
  
positive.code: 2016ApJ...828...99C,kepler,exoplanets
  2016ApJ...829...23D,kepler,astrophysics
  2016ApJ...829...48G,unrelated,
  2016ApJ...829L...3W,kepler,astrophysics
  2016ApJ...829L...9V,k2,exoplanets
  2016ApJS..222...14V,k2,exoplanets
  2016ApJS..224....2H,k2,astrophysics
  2016ApJS..224...12C,kepler,exoplanets
  
negative.code: 2016AJ....152...47A,k2,exoplanets
  2016AJ....152...61M,k2,exoplanets
  2016AJ....152...82T,k2,astrophysics
  2016AJ....152...96H,k2,exoplanets
  2016AJ....152..100L,k2,astrophysics
  2016AJ....152..105M,kepler,exoplanets
  2016AN....337..235S,unrelated,
  2016AN....337..640K,kepler,astrophysics
  2016ARep...60..702K,unrelated,
  