WILMINGTON, Delaware, Sept. 19 -- Nemours Children's Health System issued the following news release on Sept. 18, 2023: Nemours Children's Health announces the appointment of Matthew M. Davis, MD, MAPP, as Executive Vice-President, Enterprise Physician-in-Chief and Chief Scientific Officer. Beginning on November 1, Dr. Davis will oversee all clinical and research activities and growth across Nemours Children's Health, one of the largest integrated pediatric healthcare systems in the nation with more PR