CSCR-057 Modify subject participation, add seqNum, extend to 0..*

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Submitted by: Patrick Loyd for the LabSIG	Revision date: <<Revision Date>>
Submitted date: February 16, 2006	Change request ID: CSCR-057

Issue

Subject may be multiple in some circumstances where an observation is made on combined samples.

Addition of sequenceNumber provides a mechanism to identify the sequence of the subjects

Recommendation

• The cardinality of Subject is extended to 0..*
• Subject participation is updated to allow sequenceNumber 0..1 (optional)

Rationale

Subject may be multiple in some circumstances where an observation is made on combined samples.

Addition of sequenceNumber provides a mechanism to identify the sequence of the subjects

Resolution

Accepting proposal. Proposed that subject participation be changed to 0..* and add sequenceNumber [0..1] optional.

For: 12

Against: 0

Abstain: 0