1. Department of Radiology, Brooke Army Medical Center, Fort Sam Houston, TX, USA
2. Department of Radiology & Radiological Sciences, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
3. Pregnancy Care Center, San Antonio, TX, USA
4. Division of Graduate, Continuing and Professional Education, Mount St. Mary’s University, Emmitsburg, MD, USA
5. Care Net, Lansdowne, VA, USA