title: Authors' Reply.
authors.affiliation: American Institute of Radiologic Pathology (AIRP), 1010 Wayne Ave., Suite 320, Silver Spring, MD 20910-5657.
authors.forename: Mark D
authors.initials: MD
authors.lastname: Murphey
authors.affiliation: Panel Chair, ACR Appropriateness Criteria Musculoskeletal Imaging Panel, Mayo Clinic, Phoenix, AZ.
authors.forename: Catherine C
authors.initials: CC
authors.lastname: Roberts