1. Food and Drug Administration (FDA), Center for Devices and Radiological Health (CDRH), Office of Science and Engineering Laboratories (OSEL), Division of Applied Mechanics (DAM), USA
2. Food and Drug Administration (FDA), Center for Devices and Radiological Health (CDRH), Office of Science and Engineering Laboratories (OSEL), Division of Biology, Chemistry, and Material Science (DBCMS), USA
3. Food and Drug Administration (FDA), Center for Devices and Radiological Health (CDRH), Office of Product Evaluation and Quality (OPEQ), USA