Received: 28 August 2019
Accepted: 20 February 2020
First Online: 27 February 2020
Ethics approval and consent to participate in the study
: Ethical approval was sought and obtained before the commencement of the study at the study site. Informed consent was obtained from all the subjects before the commencement of the study.
: The study does not contain individual images, names or other identities of the participants. However, each participant gave consent for the publication of the findings of the study in a medical journal.
: None of the authors has any conflict of interest.