In your coverage, please use this URL to provide access to the freely available paper in PLOS Medicine : http://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1004154
Article Title: Comorbidity and health-related quality of life in people with a chronic medical condition in randomised clinical trials: An individual participant data meta-analysis
Author Countries : United Kingdom, Norway, United States
Funding: see manuscript
PLOS Medicine
Competing Interests: see manuscript