Reader Comments (41)
Post a new comment on this article
-
9 Responses02 Mar 2014
03:13 GMT
Most RecentData do not support conclusion. Posted by RDFeinman on 04 Apr 2013 at 01:22 GMT -
7 Responses09 Aug 2013
18:23 GMT
Most RecentMedia Coverage of This Article Posted by PLOS_ONE_Group on 02 Mar 2013 at 00:58 GMT -
1 Response06 Apr 2013
14:36 GMT
Most RecentLayman Accessibility Posted by PlosMoto on 01 Apr 2013 at 04:25 GMT -
0 Responses04 Apr 2013
01:38 GMT
Most RecentCorrection to previous post. Posted by RDFeinman on 04 Apr 2013 at 01:38 GMT -
1 Response07 Mar 2013
10:52 GMT
Most RecentAre the regressions population weighted? Posted by jaylusk22 on 07 Mar 2013 at 04:33 GMT -
13 Responses07 Mar 2013
02:56 GMT
Most RecentConfused about data source for figure 1 Posted by markhoofnagle on 06 Mar 2013 at 04:31 GMT -
1 Response28 Feb 2013
22:27 GMT
Most RecentDiagnosis Time Lag. Posted by RaviR on 28 Feb 2013 at 20:43 GMT -
1 Response28 Feb 2013
16:51 GMT
Most RecentAre you running a country fixed effects specification or not? Posted by ajguse on 28 Feb 2013 at 15:22 GMT