1 From the aDepartment of Preventive Medicine, Keck School of Medicine of USC, Los Angeles, CA; bInstitute for Global Health, University of Southern California, Los Angeles, CA; cSection of IARC Monographs, International Agency for Research on Cancer, Lyon, France; dSection of Environment and Radiations, International Agency for Research on Cancer, Lyon, France; and eInternational Agency for Research on Cancer, Lyon, France.