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

8
by Alper, Joe
Published 2017
the National Academies Press

9
by Nielsen-Bohlman, Lynn
Published 2004
The National Academies Press

10
by Koenig, Judith A.
Published 2011
National Academies Press

11
Published 2007
Office of the Surgeon General, U.S. Public Health Service, U.S. Dept. of Health and Human Services

12
by Hernandez, Lyla M.
Published 2009
National Academies Press

13
Published 2007
The Institutes, 2007

15
Published 2016
National Academies Press