Rao, Gururajaprasad Kaggal Lakshmana http://orcid.org/0000-0002-5697-2402
Srinivasa, Arvind Channarayapatna
Iskandar, Yulita Hanum P.
Mokhtar, Norehan
Article History
Received: 7 November 2018
Accepted: 15 March 2019
First Online: 23 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: No ethical approval was required as the study only utilised images of volunteers faces. Suitable written consent was taken from each of the volunteers before the start of the study.
: Informed written consent was obtained from all individual participants included in the study.