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Article History

Received: 23 August 2018

Accepted: 26 November 2018

First Online: 10 December 2018

Ethics approval and consent to participate

: Written informed consent was not necessary because no personal patient data has been included in the manuscript and data was collected from the medication charts of the patients, for which the hospital ethical committee provided approval.Ethical approvals to collect data from medication charts of the patients were obtained from the respective hospitals, namely ethical committee of Hayatabad medical complex, medical superintendent Khyber teaching hospital, institutional research and ethical board, post graduate medical institute lady reading hospital and ethical committee of northwest general hospital and research center vide letter numbers 8075-79/HMC, 488/pharm (KTH), 010 (LRH), and NWGH/Research/01 respectively.

: Not applicable.

: The authors declare that they have no competing interests.

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