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A '(1)' suffix of the attribute name specifies that a value with only one character will be interpreted as initial, and match with any value starting with this characterthe first character need to match.
A question mark('?') after a attribute name specifies that a missing value in received DICOM objects will match with any value for that attribute in existing Patient Records, as Patient Records with missing values for that attribute will match with any value for that attribute in received DICOM objects. Attribute names without question marks specifies, that DICOM objects without values for such attributes will not match any existing Patient Record, and Patient Records without values for such attributes will not get selected on receive of any DICOM Composite Object.
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