Parent class: Interval

Subclasses:

Documentation: "A length of time defined via a beginning and an end time point called anchors."

Template Slots
Slot name	Documentation	Type	Allowed Values/Classes	Cardinality	Default
start-anchor	"When this interval of this duration starts. Can start from an absolute or a relative timepoint (e.g., May 2, 1998 or 'at enrollment' )."	Instance	Timepoint	0:1
end-anchor	"When this interval of this duration ends. May end at an absolute or a relative timepoint (eg. May 2, 1995 or 'end of trial.')"	Instance	Timepoint	0:1
protocol-changes		Instance	Protocol-change
roles	"Tells which class and slot will take instances of this class depending on the role of the instance. The format is (role OWNER-CLASS |owner-slot|) e.g., if this class is DATE and the instance's role is recruitment-start-date, (recruitment-start-date RECRUITMENT |start-date|) tells us that this instance of date should be the value of the slot |start-date| in an instance of class RECRUITMENT."	SYMBOL		0:1

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Generated on Mon Dec 15 11:40:40 2008