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.
Kuo HC, Wang TY, Hsu HH, Lee SH, Chen YM, Tsai TJ, Ou MC, Ku HT, Lee GB, Chen TY.Kuo HC, et al. Among authors: chen ym, chen ty.PLoS One. 2012;7(8):e42203. doi: 10.1371/journal.pone.0042203. Epub 2012 Aug 9.PLoS One. 2012.PMID: 22912690Free PMC article.