<http://schema.org/about>
"At least one in 20 U.S. adults, or 12 million people yearly, may be misdiagnosed when they go to see their doctors."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/12-million-misdiagnoses-occur-yearly-in-us>