1. Entry
     Performer B (Body) (2.16.840.1.113883.3.1937.777.24.10.79)
    1. Header
       CDA B Assigned Entity Elements (2.16.840.1.113883.3.1937.777.24.10.80)
      1. Header
         CDA Person Elements B (2.16.840.1.113883.3.1937.777.24.10.81)
      2. Header
         CDA Organization Elements B (2.16.840.1.113883.3.1937.777.24.10.82)