The Elderly “Weekend Warrior” and Risk of Mortality

National Center for Chronic Disease Prevention and Health Promotion, Atlanta, Georgia, USA Source of funding for the original study: National Institutes of Health and the Robert Wood Johnson Foundation. Correspondence about the original study: Dr. I-Min Lee, Department of Epidemiology, Harvard School of Public Health, 677 Huntington Avenue, Boston, MA 02115, USA (e-mail: [email protected]).