Crimmins, Eileen M.; Preston, Samuel H.; Cohen, Barney ; Cohen, Barney ; Crimmins, Eileen M. ; Preston, Samuel H. ; Barney Cohen ; Eileen M. Crimmins ; Samuel H. Preston ; Committee on Population ; Division of Behavioral and Social Sciences and Education ; Panel on Understanding Divergent Trends in Longevity in High-Income Countries ; National Research Council (U.S.)