Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Wenchao Ma <wma@umn.edu>’
  
  New maintainer:
    Wenchao Ma <wma@umn.edu>
  Old maintainer(s):
    Wenchao Ma <wenchao.ma@ua.edu>

No changes to worse in reverse depends.