Samarakoon, D.N.A.W.; Amarathunga, A.A.M.D.D.N.; Perera, P.P.R.(Proceedings of the Scientific Sessions 2016, FMS.USJP in collaboration with SJGH, 2016)
Amarathunga, A.A.M.D.D.N.; Samarakoon, D.N.A.W.; Perera, P.P.R.(Proceedings of the Peradeniya University International Research Sessions, Sri Lanka, 2016)
Ilankoon, I.M.P.S.; Goonewardena, C.S.E.; Fernandopulle, R.C.; Perera, P.P.R.(2nd International Conference on Public Health, 28-29 July 2016 Colombo, Sri Lanka, 2016)