Awais, Muhammad http://orcid.org/0000-0003-2170-5344
Qamar, Saqib
Rehman, Abdul http://orcid.org/0000-0002-8398-7810
Baloch, Noor Ul-Ain http://orcid.org/0000-0002-0250-3504
Shafqat, Gulnaz
Article History
Received: 13 November 2017
Accepted: 23 February 2018
First Online: 26 February 2018
Compliance with ethical standards
:
: Muhammad Awais, Saqib Qamar, Abdul Rehman, Noor Ul-Ain Baloch and Gulnaz Shafqat have no conflict of interests to disclose.
: All procedures related to this study were performed in accordance with ethical standards of the institutional ethics review committee and with the most recent version of the Declaration of Helsinki (1964).
: As this was a retrospective study, formal consent was not required and requirement of informed consent was waived.