CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '9134f37d3ce84df8',cH: 'J7vs07Lx_4ocp1e1JZVqJv.mZFWYQuIkShm6MhwEQYY-1739786644-1.2.1.1-25b9QI3LBd9INmx18cicavaX4Q6CN0FnRRYaNZqmdsMuFaOq8qOQyQ5QsPMlTawY',cUPMDTk: "\/abstracts\/search?q=Rajapaksha%20J.%20S.%20R.%20L.&__cf_chl_tk=3bc74jbTA7nu7abPqSbWQaMVM23SwcZHLurZjG.gSTA-1739786644-1.0.1.1-JWUT2wkiMTHxHhCll.uC0ryoYXdZ6mCAIASJNjcRqmM",cFPWv: 'b',cITimeS: '1739786644',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Rajapaksha%20J.%20S.%20R.%20L.&__cf_chl_f_tk=3bc74jbTA7nu7abPqSbWQaMVM23SwcZHLurZjG.gSTA-1739786644-1.0.1.1-JWUT2wkiMTHxHhCll.uC0ryoYXdZ6mCAIASJNjcRqmM",md: "jD8bgkMO1gqsb7HK9dYjFDMlpBGe7gz5PXgthIRdTZo-1739786644-1.2.1.1-du5fXziq0loGKlUZR69CJPfXWhOBmktorhBH8NVxV7iCcyb54F1ErfpUc.EsWOXhX0ZhGUcBByj.eikuVX3Na1GMwjSyu_kP9F1wEW.NnpNEfcRe3tURNitMVx8FZZl3zz8NOcxfJQ8sE3YNRpcL8Qi1.E2VpL_BnqxMWzQZEcBHKu.0iu2yzrk6n9a5Gfy4k8RR0o9xgnBOPQAGz4mqQFhTeLQw5PMzdmIRmHcxS1eOsDmk7czHpkEsbXJh0cmmqwCeY8puBij9pyvjHJpMlh5niyZZmU91vneXG0lYEh0YdqOifFGs2G3hq61GjwFIiECrRlWIiWuUNfN8rgqMTbxpufuTrnkwcCtqb07WHIA4phLgenr0P4TXn7I0AlkJLWwTCuBv9BN9lA1DaWsVx5Nm9lx_dv3Jfjthxcvs.PKccvF7wPrm2wo2qUfm6vaF0BAOG19tdBnD0h84gsq9ILRLpm9LmfCPoPpydY_gt5fi5QGDfOktYu8hlgK1AKdtazNtQTOl5kseKc0d5cwNoczAYj5ND9tH0AMCtOKiQTgqtPevBI3FTJsEme_CW0n0BzD7AdECHVtB5H4IGrW.21T1up8u_DlyQarDnnWYvU10m6GJ1vKYHsTGYEOSdQiUB2xCjY.8e7YIcCKchMOqqstuVA6SeIaIfg38KSLicE5f9Su52m0lbe2L08v.CUCE1qjkJ0ARjRw4XoPirBV7ZLBaenN099B.uElwaOjK2zv69FTMz1fdfLDg95ypWve7F7qg.xwihfbCNK2.ueSIaaKtiWZxGOsMDiOKSnsCb75CB0srpnSojKuhZT6NCcezFlLUIfvX8b5UvodaImDmKqhj4FUa5gTi1XAF21eqNQYx845214qje1K90p7sLxLO292GFg_oEmtMdy01DuYmBqoh_bRoGRHY1fzk5bCYUULhtVAPd3cuI3yJbOrvCxPYNjd3yJA71wS3txO55m_NXizJRsqDyjrC65LjgdU.9GAkgCh0CdZm5wGe.DfjJnISVjsBvj8DMRY7l0et2vNnI4g9FHJgjfW0SrF51U0IH1xfP2bPkeiKU39ol5L5EUP9MCo0WmNYf0sK6_qq6rKPcLwzjT0etUpwW9CWqAafttDqOtyyuRWEvmHKVIgtXyHBr3QbIjRSUgbk9ULKmTq8nv23gGsDxuDKBUFZDbxnde_jr.C.HnJO6LWy5Ug8MVxbaGFywIgjWGgqxWSQ0jdET2LniD7Ii6dmJwydqaMZcC6j4fiRi7dIvAGDzZrETzULbVaVxf856bQrHsiu8rHCNqOkYOhMR0dhYXsJGA1sXU50SLII9G561rDh_YRQ4YliRo_MXWqWVuM1butG9oWsjf1T75yRlfU8hrzJM_pzKnjEhL6ennWOCYZofSO6fwY25L7Qchp03KB7SFp_.eVx.DfCVlc0JKgSce1qsaaGMM2Wh8VuxhjUeg.x4g_QbE7MgiIPwSuK41o.zBIqT6BkEswFqnf.uLByn3c_EX3YxiousyvwiHogdwht0GvBhKfq4Q71AAWLCqeHy3QwbvR8UO4uSZ1zOtzAETT2pwNT5CoE4pix6cOUkILPbABvdQ5aiQ6_hGdUyH_VA7jGJJ2iA5tV7gPff8Heie3c.qacOhfSMA3DtB1bhd7YZ_1Imu5Q0rbU8BTqEHC1uuqQz9G21P.ZEPs2ElofGABldrgu6JIQ50MCQ4.PQvcuFeNj4hLR1IUa8KKGGWxpYKlOyjAmdghqmMFEGierwXn5oUHrWrIH4aPGvtU3lmqxDS7LWxYeRSDHtPTzw6v8BbjHNs_S2qyxcidaTEIa4S4AF2gKX4iZwF8iGPRF45uwvCJwPh3gxS4_qDKOhExe1kGOo9qvhRofq1SuMVMhBmpowvv0XAgV3HktE_7f2sjv6lOVG41WGwUzWfe.id2h5Kw2wxRbXbQaHPysuBMb1_FLJYYTCnHIWRqWIcaMWJEst5l_y.r09PpumbBpXa3lnCB_QSKrlg",mdrd: "Z17j_.yC8NdAVRurRWDhmNtWub.yo.yR0MN4ObdE3vg-1739786644-1.2.1.1-9vrrI9tmpv8wa49hb4nkYfKrogwFKkmgpAoCgkwyzF7bHj0oiuVvtQ5ohVRdDOGWlhs77mDyHAUly0VMsfqrgMVdDGlOYaowlruwuehKjs96r0pFpmMx_BeNoufHwHlaIkGHb4YndxVG89Qs9EEy1LKvi273FHVQuUz_tAFioQ2kUEx9mHhq60tFOeM_Yih10SJx2whOye1BU0hsYpNJskyW6ose3klfiaX1oBZa5fAC4zdqQBiwBGf3uAxmH686FRDlaLshUEhd2Nxo7TaaSwLuQpaoCte09R62HwU9ww67WvnxBQszEChsN5LUqOKErcjWRHogPczehN8X9mZ7HNTVO_MsSX8vGR0xxmB3GI9m2JDmJOccgdNfVazsFGkDCBE73u1Ptl6nRyAqtfiAmemNq56VW8lVluttVaE8y01A46j.gh1FRZ3Cp2rWw0zxi_d7.S3WCpcwdu14K0m3PZIt6pp2n4Xl5U5oUz1RA_4vKxJdYnWMPj2GpwOYsWlzEzGAvq_5WBDJrx.moYO3yJQI_j9bswOfRdBAmeAl34CISB9KxzDtPHzZYtqgmAxF.ppLJ7m6_t5ZyiRz2ElMagfweYjtR_1_TTYNjjiJ8aqits4fWURurxvWSZEa7IGEAwviszBxL3DjOf7Z3hQl9nMrA_A0pw.tJa1ixBTLnE9g.NbsJtI3ze1fXsOAWTzPru_cJnMnShzCdIpaNwVmkY.f5.6D_hZc0H1o09HiOKOnvel887T.2AYD2espOfyp_hiaYRzJGjyfC6iesBFIW6W9t_1LhdmKog8.8.U00LvKlED883N90NdxJkBiHDmtQ6nNw15SK_MZzTbJWxMBVdcSXKrf9jm19Tso6Ez1I1Zt0.sRCWJ7NekTjwZjOLnQcOqRNSVkHlwuzxEPCgwKl8rbmrHC83lzs79PuzxNpIqTWUgQy0JxRgPznb28BP7_fXPxl6Y2GExANCK8Z9gtKXady2SXcyjJf08V574zxnIQUAKh0x8_AZHiLb4xaPdC2rCm3lDDSi0xIAIu2ix9bKAeonnrp_j4M9Law.PbENthgIFAZ4Ew_avKvJfF6VnqH8686nQflEUrknano185BMZMQ4ksygMZF5Rm.S7ePE.AOSN8wwGerXmr2okEWcoE2Q3txKwlnBzGFKssarSrQZxneKkiYiUZNmdP8Mftnf4mYDjJ_m9yzCJfo2RwS3Wh9IiIo_YJPrHxZg7FKVJx6Ji8lATmBxO22VGB3r9iQERfBRN7k7VfDS2T9G9z7xMC8h3Y3CnpYR7eQ3G0MnjNzl8dmG0NyiLyqWKtg9j4ZiOdPY_SLLOcQCaKB9Vp.NmBWRRZghliNmzslU1PUOQoHq85VPL71X5zF_w08MoQCy57S2dbGeja80hJTQwTPMnL42UzPzPN43M37Q5_BLTz4GyqyNeApy2o0vOOnYRqP.KusrGuDixldF.NHf91lHvt9fYiZKj6K9WY9afK5qRFwUbI.c57MhF_4.NfdaExPz9rXpmip5SfAyzQ2mvLnGWvugi8rvu490xwvW4mmXRqbYE2VhU8iCH_LUB9nnIlLarqcqnwF.5ON9ykXdhPj98i7uhwyrenbrFm1lhlmu_f52sMgLjquYlSOLAIqwzdHRRil2qAYiVn.MGxCzM0TOKJT40NkDeVHCnFLzl.KM2MSl57RO.NFrtvqLAZQPAwis3nO9m6MpgcJV1tQreJRNMh6oeWfPaRBDLJvCwv_xrnda1iNhrE8etaw00wT0Aiakr9_XWAt9wZoDwej9nIMq8TBdR27FeapbypmH_5jS8UBtYC6px1kXvxzmYkS6BQ0O435tFwc0KAvW3AGODJDIkIxAXH7DTIcMXvt92qRsiZEb5t1k90WQ6wzmniFVrvESW7y6WDBMhIbMWQoykBtJYrJexwGVQ.eVL5Agmd_RA4L0EyGuzrmqVJkPk68d8xqTamfH.N4hhOCg.y0zQmq0Z."};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134f37d3ce84df8';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=Rajapaksha%20J.%20S.%20R.%20L.&__cf_chl_rt_tk=3bc74jbTA7nu7abPqSbWQaMVM23SwcZHLurZjG.gSTA-1739786644-1.0.1.1-JWUT2wkiMTHxHhCll.uC0ryoYXdZ6mCAIASJNjcRqmM" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>