- Received July 23, 2011, and in revised form August 20, 2011.
- Accepted for publication September 20, 2011.
- Reprints: Dalia Gamil Amin, MD, 36 A Bahgat Ali st, Zamalek, Cairo, Egypt. E-mail: .
- This study had no funding support source in the form of grants, equipment, or drugs.
- This work has never been submitted for publication elsewhere.
- First published December 15, 2015.
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