1. Center for Forensic Science Research and Education (CFSRE) at the Fredric Rieders Family Foundation, 2300 Stratford Ave, Willow Grove, PA 19090, USA
2. Division of Public Health, North Carolina Department of Health and Human Services, North Carolina Office of the Chief Medical Examiner, 3025 Mail Service Center, Raleigh, NC 27699, USA
3. NMS Labs, 3701 Welsh Rd, Willow Grove, PA 19090, USA