backgroundDefined in the health.schema.org extension. (This is an initial exploratory release.)
Canonical URL: http://schema.org/background
Descriptive information establishing a historical perspective on the supplement. May include the rationale for the name, the population where the supplement first came to prominence, etc.
Usage: Fewer than 10 domains
|Values expected to be one of these types|
|Used on these types|
Schema Version 2.2