Text and Data Mining valid from 2019-12-01
Received: 18 October 2019
Accepted: 30 October 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: The study was conducted after ethics approval from the ethical review board of The Children’s Hospital & Institute of Child Health, Lahore. An informed written consent was taken from the parents of the patients to participate in the study.Any reference number is not given by the ethical review board.
: Not applicable
: The authors declare that they have no competing interests.