1. US Food and Drug Administration. Guidance for Industry: Patient-Reported Outcome Measures: Use in Medical Product Development to Support Labeling Claims. Rockville, MD: Department of Health and Human Services, Food and Drug Administration, Center for Drug Evaluation and Research, 2009.
2. National Institute for Health and Clinical Excellence. Guide to the methods of technology appraisal 2013. Available from: http://www.nice.org.uk/article/pmg9/resources/non-guidance-guide-to-the-methods-of-technology-appraisal-2013-pdf. [Accessed September 23, 2014].
3. Patient-reported outcome measures and performance measurement;Fitzpatrick,2009
4. Evaluating patient-based outcome measures for use in clinical trials.;Fitzpatrick;Health Technol Assess,1998
5. Multinational Trials—Recommendations on the Translations Required, Approaches to Using the Same Language in Different Countries, and the Approaches to Support Pooling the Data: The ISPOR Patient-Reported Outcomes Translation and Linguistic Validation Good Research Practices Task Force Report