Reader Comments (4)

Post a new comment on this article

• 0 Responses
  08 May 2012
  22:41 GMT
  Most Recent
  Publisher's Note: Error in Figure 3 legend. Posted by PLOS_ONE_Group on 08 May 2012 at 22:41 GMT
• 0 Responses
  08 May 2012
  22:40 GMT
  Most Recent
  Publisher's Note: Error in Figure 2 legend. Posted by PLOS_ONE_Group on 08 May 2012 at 22:40 GMT
• 0 Responses
  28 Sep 2011
  19:22 GMT
  Most Recent
  Publisher's Note: Error in Results Posted by PLOS_ONE_Group on 28 Sep 2011 at 19:22 GMT
• 0 Responses
  28 Sep 2011
  19:21 GMT
  Most Recent
  Publisher's Note: Error in Abstract Posted by PLOS_ONE_Group on 28 Sep 2011 at 19:21 GMT