Data Collection Timeline

Data Collection

09/13/2010 - 04/08/2011
10/01/2010 - 04/01/2011
10/04/2010 - 04/01/2011
10/04/2010 - 04/01/2011
10/18/2010 - 10/29/2010
10/20/2010
11/17/2010
12/15/2010
01/19/2011
02/16/2011
03/16/2011