1Department of Family Medicine, Fort Belvoir Community Hospital, VA, USA, E-mail: amythompson@gmail.com
2Department of Pediatrics, San Antonio Military Medical Center, TX, USA, E-mail: amythompson@gmail.com
3Clinical Research Division, Lackland Air Force Base, TX, USA, E-mail: amythompson@gmail.com
4Department of Clinical Investigation and Department of Obstetrics and Gynecology, San Antonio Military Medical Center, TX, USA, E-mail: amythompson@gmail.com