Re: Think before you leap

Affiliations

• ¹ Department of Medicine, Stanford University, Palo Alto, CA.
• ² Department of Radiology, Stanford University, Palo Alto, CA.
• ³ Department of Public Health, Erasmus MC, Rotterdam, The Netherlands.
• ⁴ Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA.
• ⁵ Department of Epidemiology, University of Michigan, Ann Arbor, MI.
• ⁶ Department of Radiology, Massachusetts General Hospital, Boston, MA.
• ⁷ Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD.