1. Brendan J. Guercio, Shuji Ogino, and Edward L. Giovannucci, Harvard Medical School; Kaori Sato, Robert J. Mayer, Shuji Ogino, Jeffrey A. Meyerhardt, and Charles S. Fuchs, Dana-Farber Cancer Institute; Frank B. Hu, Shuji Ogino, Kana Wu, Walter C. Willett, and Edward L. Giovannucci, Harvard T.H. Chan School of Public Health; Shuji Ogino and Edward L. Giovannucci, Brigham and Women's Hospital, Boston, MA; Leonard B. Saltz, Memorial Sloan Kettering Cancer Center, New York, NY; Rex B. Mowat, Toledo Community...