Solyman, Monzer http://orcid.org/0000-0002-4544-5295
Schmidt-Westhausen, Andrea-Maria
Article History
Received: 26 March 2018
Accepted: 30 July 2018
First Online: 3 August 2018
Ethics approval and consent to participate
: Written informed consents (both in Arabic and German) were obtained from all individual participants before the enrollment in the study. In addition, they were handed a study information sheet that included a data privacy statement. The final study design, informed consent and participants’ information sheet were approved by the ethics committee at Charite Universitatsmedizin Berlin (Ethics committee vote EA1/081/16).
: Not applicable.
: The authors declare that they have no competing interests.
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