10/09/2011 pre-registration
14/09/2011 submission being registered
14/09/2011 sent to editor
23/09/2011 sent to editor
28/09/2011 sent to referee 1
28/09/2011 sent to referee 2
29/09/2011 report promised by referee 1
12/10/2011 report received from referee 1
13/10/2011 reminder to referee 2
03/11/2011 report promised by referee 2