Ronald H. Blum, M.D.                Presbyterian Hospital of Dallas
                                                Texas Institute for Surgery at Presbyterian Hospital of Dallas

Michael J. Champine, M.D.         Presbyterian Hospital of Dallas
                                                Presbyterian Hospital of Kaufman
                                                Presbyterian Hospital of Plano
                                                Lake Pointe Medical Center
                                                Texas Institute for Surgery at Presbyterian Hospital of Dallas

John S. Early, M.D.                   Presbyterian Hospital of Dallas
                                                Presbyterian Hospital of Plano
                                                HealthSouth Forest Park
                                                Texas Institute for Surgery at Presbyterian Hospital of Dallas
                                                Presbyterian Plano Center for Diagnostics and Surgery    

John A. Racanelli, M.D.              Presbyterian Hospital of Dallas
                                                Presbyterian Hospital of Plano
                                                Texas Institute for Surgery at Presbyterian Hospital of Dallas

Timothy G. Schacherer, M.D.      Presbyterian Hospital of Dallas
                                                Presbyterian Hospital of Plano
                                                Texas Institute for Surgery at Presbyterian Hospital of Dallas

Robert R. Scheinberg, M.D.        Presbyterian Hospital of Dallas
                                                Presbyterian Hospital of Plano
                                                Texas Institute for Surgery at Presbyterian Hospital of Dallas

Maria A. Turnage, M.D.              Presbyterian Hospital of Dallas
                                                Texas Institute for Surgery at Presbyterian Hospital of Dallas
                                                Presbyterian Plano Center for Diagnostics and Surgery

William R. Vandiver, M.D.           Presbyterian Hospital of Kaufman
                                                Ennis Regional Medical Center
                                                Medical Center at Terrell
                                                Texas Institute for Surgery at Presbyterian Hospital of Dallas

James C. Walter, II, M.D.           Presbyterian Hospital of Plano
                                                Presbyterian Hospital of Dallas
                                                Baylor Regional Medical Center at Plano
                                                Centennial Medical Center
                                                Medical Center of Plano
                                                Mary Shields Hospital
                                                Texas Institute for Surgery at Presbyterian Hospital of Dallas
                                                Presbyterian Plano Center for Diagnostics and Surgery