Received: 19 July 2019
Accepted: 15 October 2019
First Online: 30 October 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from the local ethical committee at the Gulab Devi Hospital Lahore, Pakistan (Reference number 110/13 GDH). All study participants had given consent. Only verbal consent was obtained from the patients as the intervention was evaluated as a routine within the scope of the standard treatment guidelines of World Health Organization. The ethics committee had approved the verbal consent form. All participants were above16 years of age.
: Not applicable.
: The authors declare that they have no competing interests.