1
Published 2007
Office of the Surgeon General, U.S. Public Health Service, U.S. Dept. of Health and Human Services

2
Published 2007
The Institutes, 2007

3
by French, Melissa
Published 2017
National Academies Press (US)

4
by French, Melissa
Published 2017
National Academies Press (US)

6
by Alper, Joe
Published 2015
National Academies Press

7
by Alper, Joe
Published 2017
the National Academies Press

8
by Nielsen-Bohlman, Lynn
Published 2004
The National Academies Press

9
Published 2007
Office of the Surgeon General, U.S. Public Health Service, U.S. Dept. of Health and Human Services

10
by Hernandez, Lyla M.
Published 2009
National Academies Press

11
Published 2007
The Institutes, 2007