Text and Data Mining valid from 2019-06-18
Received: 8 April 2019
Accepted: 28 May 2019
First Online: 18 June 2019
Compliance with ethical standards
: This study protocol was approved by Research Ethics Committee of Faculty of Medicine in Rabigh, King Abdulaziz University.
: No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. All authors report no conflicts of interests and have no relevant disclosures.