title: Authors' response.
authors.affiliation: Department of Biomedical Informatics, Post Graduate Institute of Medicine, University of Colombo, Sri Lanka.
authors.forename: Lsa Nishan
authors.initials: LN
authors.lastname: Siriwardena
authors.affiliation: Department of Biomedical Informatics, Post Graduate Institute of Medicine, University of Colombo, Sri Lanka wickramasinghewas@gmail.com.
authors.forename: Wa Sudarshana
authors.initials: WS
authors.lastname: Wickramasinghe
authors.affiliation: Department of Biomedical Informatics, Post Graduate Institute of Medicine, University of Colombo, Sri Lanka.
authors.forename: K L
authors.initials: KL
authors.lastname: Dussantha Perera
authors.affiliation: Department of Medical Education and Health Sciences, Faculty of Medical Sciences, University of Sri Jayewardenepura, Sri Lanka.
authors.forename: Rohana
authors.initials: R
authors.lastname: Marasinghe
authors.affiliation: Diabetes Research Unit, Department of Clinical Medicine, University of Colombo, Sri Lanka.
authors.forename: Prasad
authors.initials: P
authors.lastname: Katulanda
authors.affiliation: Department of Biomedical Informatics, Post Graduate Institute of Medicine, University of Colombo, Sri Lanka.
authors.forename: Roshan
authors.initials: R
authors.lastname: Hewapathirana