Khattab, E. A.
Afifi, M. H.
Amin, Gehan A.
Article History
Received: 2 November 2018
Accepted: 1 April 2019
First Online: 23 April 2019
Ethics approval and consent to participate
: Ethical approval had been granted approval by the Ethics Committee of Theodor Bilharz Research Institute (TBRI).
: 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.