19,929,901
Participants
Start Date
July 1, 2006
Primary Completion Date
April 22, 2020
Study Completion Date
April 22, 2020
Colorado Cancer Registry, Denver
New York Cancer Registry, Albany
National Cancer Institute (NCI), 9000 Rockville Pike, Bethesda
Georgia Cancer Registry, Atlanta
Iowa Cancer Registry, Iowa City
California Cancer Registry, Sacramento
Seattle Cancer Registry, Seattle
Connecticut Cancer Registry, Hartford
New Jersey Cancer Registry, New Brunswick
National Cancer Institute (NCI)
NIH