Information about the author of a CDA document, section or entry. An author MAY be
a person or a device. All CDA-CH V2 derivatives, i.e. Swiss exchange formats MUST
use this template at least in the CDA Header by either reference or specialisation.
Context
Parent nodes of template element with id 2.16.756.5.30.1.1.10.9.23
The specification of GS1 GLN is REQUIRED. If it is not (yet) known, this MUST be
declared using nullFlavor. For persons: their personal GLN MUST be declared. For devices or software modules: the GLN of their organization MUST be declared.