Gynecology and Obstetrics Emory University School of Medicine Atlanta, GA

Division of Cancer Prevention and Control Centers for Disease Control and Prevention Atlanta, GA

Correspondence to: Herschel W. Lawson, MD, 5780 Cameron Hall PL NW, Sandy Springs, GA 30328. E-mail: [email protected]

The authors have declared they have no conflicts of interest.

The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.