- Received April 12, 2011, and in revised form June 11, 2011.
- Accepted for publication June 11, 2011.
- Reprints: Iman Abdel-Mohsen Shaheen, MD, Department of Clinical and Chemical Pathology, Faculty of Medicine, Cairo University, El-Manial, Cairo 11562, Egypt. E-mail: .
- This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sector. This research had been approved by the ethical committee of the Department of Clinical and Chemical Pathology.
- All authors have no conflict of interest.
- First published December 15, 2015.
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