Computer and Scientific

Owner

MIDWEST INSTITUTE FOR CLINICAL RESEARCH, INC.

May 19, 1998

Computer and Scientific

Owner

MIDWEST INSTITUTE FOR CLINICAL RESEARCH, INC.

Oct 1, 1991

Computer and Scientific

Owner

MIDWEST INSTITUTE FOR CLINICAL RESEARCH, INC.

Mar 26, 1991

Computer and Scientific

Owner

MIDWEST INSTITUTE FOR CLINICAL RESEARCH, INC.

Apr 16, 1991