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Mapping login user name to Person Name to get Observer Person.
Separate each mapping with newline or semicolon.
Format: <user>':'<PersonName> (e.g. Smith^John or Smith^John^DrSmith^John^^Dr^)
If this mapping is disabled with NONE or a user is not mapped the PersonName will be created with following rule:
<callingAET>^<user> (e.g. DCM4CHEE^admin).
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