first last"  >Address correspondence  reprint requests to: Elizabeth Armstrong,National Association of State Emergency Medical Services Directors, Park Place,Falls Church,VA -. e-mail: 〈nasemsd@aol.com〉.

Address correspondence and reprint requests to: Elizabeth Armstrong,National Association of State Emergency Medical Services Directors, 111 Park Place,Falls Church,VA 22046-4513. e-mail: 〈nasemsd@aol.com〉.