1. Graduate Medical Education, Naval Medical Center Portsmouth, Portsmouth, VA 23708, USA
2. Department of Family Medicine, Naval Hospital Jacksonville, Jacksonville, FL 32205, USA
3. Department of Family and Community Medicine, Penn State College of Medicine, Hershey, PA 17033, USA
4. Department of Pediatrics, Naval Medical Center San Diego, San Diego, CA 92134, USA
5. Department of Dermatology, Naval Medical Center Portsmouth, Portsmouth, VA 23708, USA