1. Header
     CDA legalAuthenticator (2.16.840.1.113883.3.1937.99.61.53.10.166)
    1. Header
       CDA Assigned Entity Elements (2.16.840.1.113883.3.1937.99.61.53.10.173)
      1. Header
         CDA Person Elements (2.16.840.1.113883.3.1937.99.61.53.10.171)
      2. Header
         CDA Organization Elements (2.16.840.1.113883.3.1937.99.61.53.10.172)