An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Hsieh SW, Lai CL, Liu CK, Lan SH, Hsu CY.Hsieh SW, et al. Among authors: hsu cy.Qual Life Res. 2010 Nov;19(9):1265-72. doi: 10.1007/s11136-010-9695-4. Epub 2010 Jun 26.Qual Life Res. 2010.PMID: 20577906