United States

Massachusetts

Name of AuthorInstitutional Affiliation
Hunter DJClinical Epidemiology Research and Training Unit, Boston University, 650 Albany Street (X Building), Suite 200, Boston, MA 02118, USA.
Kalichman LClinical Epidemiology Research and Training Unit, Boston University, 650 Albany Street (X Building), Suite 200, Boston, MA 02118, USA. leonid@bu.edu