Naotunna, N. P. G. C. R.
Dayarathna, M.
Maheshi, H.
Amarasinghe, G. S.
Kithmini, V. S.
Rathnayaka, M.
Premachandra, L.
Premarathna, N.
Rajasinghe, P. C.
Wijewardana, G.
Agampodi, T. C.
Agampodi, S. B. https://orcid.org/0000-0001-7810-1774
Funding for this research was provided by:
Sri Lankan country office, WHO
Rajarata University of Sri Lanka (RJT/RP&HDC/2014/FMAS/R/06)