Text and Data Mining valid from 2019-02-04
Received: 10 October 2017
Accepted: 25 January 2019
First Online: 4 February 2019
: The authors declare that they have no competing interests.
: The study protocol was done in accordance to the ethical guidelines of the 1975 Helsinki Declaration. The study protocol was approved by the Research Ethics Committee of Quality Assurance Unit of Faculty of Medicine, Tanta University with approval code 1734/03/13. A written informed consent was obtained from all included patients in this study. Our study adheres to CONSORT guidelines.
: Not applicable.
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