1. Entry
     CDA Performer (Body) (2.16.840.1.113883.3.1937.777.11.10.136)
    1. Header
       epSOS CDA AssignedEntity (2.16.840.1.113883.3.1937.777.11.10.114)
      1. Header
         CDA Person (2.16.840.1.113883.3.1937.777.11.10.113)
      2. *
         epSOS CDA Organization (2.16.840.1.113883.3.1937.777.11.10.111)