Received: 27 June 2019
Accepted: 18 December 2019
First Online: 7 January 2020
Ethics approval and consent to participate
: This study was approved by the Research Ethics Committee of the Faculty of Medicine at Minia University in Egypt on June 2019 (reference number is not applicable). All patients included in this study gave written informed consent to participate in this research.
: All patients included in this research gave written informed consent to publish the data contained within this study.
: The authors declare that they have no competing interests.