1. Department of Mathematics, Faculty of Science Taibah University Medina Saudi Arabia
2. Nursing School MSN Aspen University Denver Colorado USA
3. Research Center Director Dr. Sulaiman Al Habib Medical Group Riyadh Saudi Arabia
4. Nursing College University of Wollongong Wollongong New South Wales Australia
5. Health Science College University of Sharjah Sharjah United Arab Emirates