[1] Georgetown Univ, Dept Family Med, Washington, DC 20057 USA
[2] Duquesne Univ, Coll Osteopath Med, Pittsburgh, PA USA
[3] Utah Valley Univ, Dept Publ Hlth, Orem, UT USA
[4] Univ Incarnate Word, Sch Osteopath Med, San Antonio, TX USA
[5] Univ Pikeville, Kentucky Coll Osteopath Med, Pikeville, KY USA
[6] Sisters Charity Hosp, Dept Obstet & Gynecol, Buffalo, NY USA
[7] Duquesne Univ, Sch Nursing, Pittsburgh, PA USA