Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Matthew Hall <matthew.hall@lshtm.ac.uk>’
  
  New maintainer:
    Matthew Hall <matthew.hall@lshtm.ac.uk>
  Old maintainer(s):
    Matthew Hall <matthew.hall@bdi.ox.ac.uk>

No changes to worse in reverse depends.