1	San Francisco Area, California 1963 (Child Health and Development Studies[33])
2	Norway [79]
3	Maryland 1974[80]
4	Copenhagen 1977[81] Copenhagen 1982 [82]
5	Missouri 1982 [83]
6	New York City 1986 [84]
7	Western New York 1989 [85]
8	U.S. Nurses 1990 [54]
9	New York City 1995 [86]
10B	North Carolina, African Americans 1995 [87]
10W	North Carolina, whites [87]
11	Long Island, New York 1996 [53]
12	Quebec 1996 [88]
13	Connecticut 1996 [89]