CERTIFICATION

            Membership of the Royal College of Physicians (UK)

            March, 1990

            Fellow of Respiratory Medicine, University of British Columbia

            Vancouver, Canada 
            September, 1994

            Fellow of the American College of Chest Physicians

            October, 1996

            Member of the American College of Physicians

            September, 1998

            Fellow of the American College of Physicians

            October, 2002

            Fellow of the European Respiratory society

            December, 2002