- Correspondence to Dr Suliman Alghnam, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, KAIMRC, KSAU-HS, P.O Box 22490 Riyadh 11426, Saudi Arabia;
- Received April 6, 2016
- Revised August 4, 2016
- Accepted August 10, 2016
- First published September 5, 2016.
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