1. Header
     CDA author Person (2.16.840.1.113883.3.1937.99.61.53.10.162)
    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)