Reader Comments (8)

Post a new comment on this article

  • 3 Responses
    11 Dec 2013
    15:37 GMT
    Most Recent
    A critical review Posted by PLajoye on 04 Dec 2013 at 09:04 GMT
  • 0 Responses
    22 Nov 2013
    23:05 GMT
    Most Recent
    Media Coverage of This Article Posted by PLOS_ONE_Group on 22 Nov 2013 at 23:05 GMT
  • 1 Response
    19 Nov 2013
    15:28 GMT
    Most Recent
    Congrats Posted by rpmdias on 15 Nov 2013 at 11:00 GMT
  • 0 Responses
    15 Nov 2013
    22:44 GMT
    Most Recent
    Media Coverage of This Article Posted by PLOS_ONE_Group on 15 Nov 2013 at 22:44 GMT