1. Entry
     BC CDA Handoff Communication Participants (2.16.840.1.113883.3.51.60.3.37)
    1. Entry
       BC CDA Author (Body) (2.16.840.1.113883.3.51.60.3.5)
      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)