1. Header
     CDA author Person DTHS (1.2.276.0.76.3.1.85.200.77.10.38)
    1. Header
       CDA Person Elements DTHS (1.2.276.0.76.3.1.85.200.77.10.37)
    2. Header
       CDA Organization Elements (1.2.276.0.76.10.90011)