[1] Mardan Med Complex, Obstet & Gynecol, Mardan, Pakistan
[2] George Washington Univ, Internal Med, Sch Med & Hlth Sci, Washington, DC USA
[3] Jagare Ridge Med Clin, Internal Med, Edmonton, AB, Canada
[4] Yerevan State Med Univ, Prevent Med, Yerevan, Armenia
[5] Johns Hopkins Univ, Publ Hlth, Baltimore, MD USA
[6] Windsor Univ, Sch Med, Internal Med, Cayon, St Kitts & Nevi