R. Raja is working as a Professor, Sree Balaji Medical College and Hospital, BIHER. S. Hemaiswarya received her Ph.D. from IIT Madras followed by the University of Algarve for couple of years. K. Arunkumar is a Dean at the Central University of Kerala. P. Ramasamy is a Director-Research, Sree Balaji Medical College and Hospital, BIHER, Chennai.