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.
Bannach-Brown A, Tillmann S, MacLeod MR, Wegener G.Bannach-Brown A, et al. Among authors: tillmann s.BMJ Open Sci. 2019 May 25;3(1):e000017. doi: 10.1136/bmjos-2018-000017. eCollection 2019.BMJ Open Sci. 2019.PMID: 35047681Free PMC article.