1. U.S. Food and Drug Administration, Center for Devices and Radiological Health, Office of Science and Engineering Laboratories, Division of Applied Mechanics, 10903 New Hampshire Ave., Silver Spring, MD 20993, USA, https://orcid.org/0000-0003-3120-5976 (S.S.), https://orcid.org/0000-0003-4132-555X (E.M.)
2. Oak Ridge Institute for Science and Education, 1299 Bethel Valley Rd., P.O. Box 117, Oak Ridge, TN 37830, USA
3. U.S. Food and Drug Administration, Center for Devices and Radiological Health, Office of Science and Engineering Laboratories, Division of Applied Mechanics, 10903 New Hampshire Ave., Silver Spring, MD 20993, USA (Corresponding author), e-mail: matthew.diprima@fda.hhs.gov, https://orcid.org/0000-0003-1623-1324