A pattern followed by resources that represent the participant in some activity, process, or responsible for providing information about a resource.

The date when the {{title}} was born.

Used for identity verification and may drive other business processes.

Administrative Gender - the gender that the {{title}} is considered to have for administration and record keeping purposes.

Needed for identification of the individual, in combination with (at least) name and birth date.

A facial image of the {{title}}.

Many EHR systems have the capability to capture an image of the participant. Fits with newer social media usage too.

The language which can be used to communicate with the {{title}}.

Most systems in multilingual countries will want to convey language. Not all systems actually need the regional dialect.

The ISO-639-1 alpha 2 code in lower case for the language, optionally followed by a hyphen and the ISO-3166-1 alpha 2 code for the region in upper case; e.g. "en" for English, or "en-US" for American English versus "en-AU" for Australian English.