Patient-reported outcomes project

Main

01/01/2013 - 07/31/2013
01/01/2013 - 12/31/2015
01/01/2013 - 12/31/2013
01/01/2014 - 12/31/2014
01/01/2015 - 12/31/2015

Validation studies

07/01/2013 - 06/30/2014
07/01/2014 - 06/30/2015
07/01/2015 - 12/31/2015