Pegah Seidi1, Dilshad Jaff2. 1. College of Medicine, Garmian University, Kalar 00964, Kurdistan-Iraq. Electronic address: pegah.am.seidi@garmian.edu.krd. 2. Research, Innovation and Global Solutions, and Department of Maternal and Child Health, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, NC, USA.