1. Header
     BC CDA informationRecipient (2.16.840.1.113883.3.51.60.1.5)
    1. Header
       BC CDA Person (2.16.840.1.113883.3.51.60.1.5.2)
    2. Header
       BC CDA Organization (2.16.840.1.113883.3.51.60.1.5.1)