definiens: mean, collectively, that certain that certain Master Agreement by and between Z - KAT andCleveland Clinic Foundation ( ), effective as of January 1, 2003 ( the ), a copy of which isattached hereto as Exhibit A ; that certain Agreement by and between Z - KAT and Cedara Software Corp. ( ), madeeffective as of September 19, 2003 ( the ), a copy of which is attached hereto as Exhibit B ; thatcertain License Agreement, by and between Z - KAT and Northwestern University ( ), made July 30, 1997 ( the ), a copy of which is attached hereto as Exhibit C ; that certain License Agreement by and between Z - KATand George S. Allen ( ), made August 31, 2001 ( the ), a copy of which is attached hereto asExhibit D, and that certain Exclusive License by and between Z - KAT and Barrett Technology ( ), dated March 12,1998, a copy of which is attached hereto as Exhibit E. Allen has subsequently assigned his interests in the Allen LicenseAgreement to Marker LLC, a Tennessee Limited Liability Company ( ) ( Allen and/or Marker, as the case may be, hereinafter referred to as )