Wednesday, October 15, 2008 - 4:19PM EST

United States

Pennsylvania

Name of AuthorInstitutional Affiliation
Cauley JADepartment of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA.
Strotmeyer ESDepartment of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA. strotmeyere@edc.pitt.edu