1 A. J. Hawk, Collections Manager, Historical Collections, National Museum of Health and Medicine, Defense Health Agency, Silver Spring, MD, USA B. F. Spatola, Curator, Anatomical Collections, National Museum of Health and Medicine, Defense Health Agency, Silver Spring, MD, USA K. E. Pearlstein, Collections Manager, Anatomical Collections, National Museum of Health and Medicine, Defense Health Agency, Silver Spring, MD, USA.