Friday, September 5, 2008 - 9:46PM EST

United States

Massachusetts

Name of AuthorInstitutional Affiliation
Gordon CMDivision of Adolescent, Young Adult Medicine, Children's Hospital Boston, Boston, MA 02115, USA.
Hassan ADivision of Adolescent, Young Adult Medicine, Children's Hospital Boston, Boston, MA 02115, USA. areej.hassan@childrens.harvard.edu
Rosenberg LSlone Epidemiology Center, Boston University, Boston, Massachusetts 02215, USA.
Wise LASlone Epidemiology Center, Boston University, Boston, Massachusetts 02215, USA. lwise@slone.bu.edu
 
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