Text and Data Mining valid from 2018-02-20
Received: 5 December 2017
Revised: 13 February 2018
Accepted: 13 February 2018
First Online: 20 February 2018
Compliance with ethical standards
: Nitin Sabharwal, Moustafa Elsheshtawy, Isaac Akkad, Manfred Moskovits and Gerald Hollander declare that they have no conflicts of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later revisions.
: Informed consent was obtained from all patients for being included in the study.