1. Department of Family Medicine, University of Illinois College of Medicine at Rockford, 1200 East State Street, Rockford, IL 61104, USA
2. Department of Obstetrics and Gynecology, University of Illinois College of Medicine at Rockford, 1601 Parkview Avenue, Rockford, IL 61107, USA
3. Crusader Community Health, 1100 Broadway, Rockford, IL 61104, USA