Article History
Received: 4 July 2018
Accepted: 2 October 2018
First Online: 24 October 2018
Ethics approval and consent to participate
: The study protocol was approved by the Ethical Committee of the National Research Centre (reference no: 15023). All patients were informed about the treatment plan and they all submitted a written informed consent before enrolment, which was carried out in accordance with the declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
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