1. Header
     CDA recordTarget (2.16.840.1.113883.3.1937.99.61.20.10.4)
    1. *
       US Realm Address (AD.US.FIELDED) (2.16.840.1.113883.3.1937.99.61.20.10.2)
    2. *
       US Realm Person Name (PN.US.FIELDED) (2.16.840.1.113883.3.1937.99.61.20.10.3)
    3. *
       US Realm Address (AD.US.FIELDED) (2.16.840.1.113883.3.1937.99.61.20.10.2)
    4. *
       US Realm Person Name (PN.US.FIELDED) (2.16.840.1.113883.3.1937.99.61.20.10.3)