Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
PMC full text:
JAMA. Author manuscript; available in PMC 2014 Jul 24.
Published in final edited form as:
JAMA. 2014 Jan 1; 311(1): 33–44.
doi: 10.1001/jama.2013.282834

Figure 1

Flow of Participants in the Study