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Authors
Kassab, Salah Eldin https://orcid.org/0000-0003-1482-1996
Du, Xiangyun
Toft, Egon
Cyprian, Farhan
Al-Moslih, Ayad
Schmidt, Henk
Hamdy, Hossam
Abu-Hijleh, Marwan
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Article History
Received: 7 March 2018
Accepted: 3 May 2019
First Online: 21 May 2019
Ethics approval and consent to participate
: The study has received Research Ethics Approval No. QU-IRB 697-E/16 issued by Institutional Review Board, Office of Academic Research, Qatar University. The study procedures were conducted after the consent of all participants.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
