Mark Schiffman, M.D., M.P.H. Senior Investigator, National Cancer Institute Executive Plaza South, Room 5026 6120 Executive Boulevard Bethesda, Maryland 20892-7335  301-435-3983 301-402-0916 schiffmm@mail.nih.gov  Dear Dr. Schiffman: Since you are the first scientific officer to promote mass HPV vaccination of women as a means to prevent cervical cancer [1], and have been working with the […]