Received: 8 October 2019
Accepted: 23 April 2020
First Online: 14 May 2020
Ethics approval and consent to participate
: Ethical approval was taken from the organizations ethical approval committee (Ethical Committee of PGMI (Post Graduate Medical Institue), and all 297 patients, whose data was collected, signed written consent forms. Parental and legal guardian consent was obtained on behalf of underage participants.
: The author gives complete consent to BioMed to publish this article.
: The author declares that there are no competing interests.