Received: 16 February 2018
Accepted: 31 August 2018
First Online: 20 September 2018
Change Date: 30 May 2019
Change Type: Correction
Change Details: In the original version of this article , published on 20 September 2018, there was an error in the author name of Dr. Sankari Tarabishi.
Ethics approval and consent to participate
: The study was approved by the Ethics Committee who supervised the study, Prof. Ameen Suliman, Head of Hematology, Al Mouwasat University Hospital, Damascus, Syria.And Prof. Abir Kaddar, Head of Hematology, Al Assad University Hospital, Damascus, Syria.Verbal consent was obtained from participants and the ethics committee approved the verbal consent. Verbal consent was obtained because the study was conducted at Al Mouwasat University Hospital and Al Assad University Hospital, which are university hospitals, so people who come to these hospitals know that their data may be used for doing research.
: Not applicable.
: The authors declare that they have no competing interest.
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