[1] Division of Postmarket Surveillance, Epidemiology Branch, Center for Devices and Radiologic Health, 22201 23rd Dr. SE, Bothell, WA 98021-4421, United States
[2] Office of Surveillance and Biometrics, Center for Devices and Radiological Health, Food and Drug Administration, 1350 Piccard Drive, Rockville, MD 20850, United States