color:DarkGray;text-decoration:line-through">Additional content defined by implementations</span></td></tr><tr><td style="white-space: nowrap">Commentaires</td><td><br/><div style="color:DarkGray;text-decoration:line-through"><p>There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicit