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,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);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: '9135741e4d22f938',cH: 'UHyGiaTYTqJyQ1H4nZ6N160h4G1W.OVmtaSv93sKijI-1739791912-1.2.1.1-vLcfHDpsH_ujdI3h_PeCRCi4WFE90PcnUhqAO2Sdxn_2sjMDavz_Ifub8BAxJ0w4',cUPMDTk: "\/abstracts\/search?q=Alagie%20Salieu%20Nankey&__cf_chl_tk=X5rQyPyxWPnABrPFM.OT6K.ba4Lhn.Iychq_I6qze7o-1739791912-1.0.1.1-TxiH3ixaO3ybLogQdhzVpbQzcZ74Ima8UpZwQzywdWg",cFPWv: 'b',cITimeS: '1739791912',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Alagie%20Salieu%20Nankey&__cf_chl_f_tk=X5rQyPyxWPnABrPFM.OT6K.ba4Lhn.Iychq_I6qze7o-1739791912-1.0.1.1-TxiH3ixaO3ybLogQdhzVpbQzcZ74Ima8UpZwQzywdWg",md: "qsEF6w.hq0Hdl4JeXzbW32G_He0qraj5gul96c7AY14-1739791912-1.2.1.1-WuC_hZawZlAMu9zR2LmLvo4GpGxjehFKVVV2REhNsl1BMRmp3aBFhrALZ1i.tFKrs2p.eOXpbFVN3WpnWqinEMuiP0kBLeelJlqVl7C8_CBAOlO00vJks.DNHGNpH6Zr7sZuCp5rCybiuwdShRaeFYXSdFqlauDnjYXZXBdcs0xvsFc9yfKnk74Rd_eLSGaVMvNiO90f6ex3UMVRAo3lx648ONIfvK7S7q0qbgGjXFiJKfAFikeEdI5ZIWO7mtDjKxiI8XYOEnDTZ2kMEAdKUWOEv1KPM2CK1jASVpf8fqi2zBQw2LicYipMNPmTuQSpZsCDrlAwQfUGewvKw8fxIIi8czjmk2r0UpFLi.zFD1hBV9aQ57iihEZ9UXBmcljf4Ex2cAS4YchyNL267shXV.RNmokA8IcIt7MvqWpXvcTU1_hpqxuNId7DaFLDSiaUXF1WMYmw7BAsLOoC5wl5perMAxtDZUDwrxGzAE2UWsVGFmfb391HwYC_558p_PzNqDA0d1ohT51BtY3uwhBA1CnfAXGQQSAOVSgEvIJ46ic45l4sK6.khbF36vgeRAkCqqFHN0yBC.MFrP3i.HgAuGGyQ4FDjSlW.vzmrNsTLa0TNXeXqbiRfcw4qHNWl0b_9mHnFiawvzaf9q_ILBf3StzL5IQYR2pCuLCGWfJalRgMVe33CJkaPrrZPpXUIBlZVWmDeRbhnPBHi6ivpnTzAEnbvyeLGUvH9HrLhf39glawVomYvfUmzaKNu3EJk8JVF0LR1DWNJQ5exRNiKqJF9PsQbSx78xxY31tQV59_ChHV8Z5iDEFHTRZzHSf.Z8tV0KcCSeo94cSBC3HPLSYkP2GcVo.CbkGh4g4wAEH1p1uw6RoY5oS97.3I1D7W5Ppt2veHg8xcB6TTVdiRhgZ7LVs8GHjkzL_yzMDXNpG_PsCnbccfbNFSqkHKrUyRkSl3b7it4L0TDlt2XXIoWg6Qix4al0neThl4odZl_dasLWjAi2lQDWW0kDchFIj.Bceq1Qm2b585ki3doOzyF.FIYj2Ct.FyCnClWaFgBO6gAiva8ojqUYCIAP7FRRrWBQBB5rPhG3K8MEiLyVONzTIaG.zCZtceuZYc6jOp1ZzIeED_8l_U7YCcoot7VzoIdHs21CuFP3_Wzv5qNgMg9VibqV2DjK.n07vcx00s0cXNg5KzaHZf4GwMuAJ7O.dYrbsu_qNyjcPu8pr9cw8dekhMKzJ3yLgH3kbffLClS7UTPr7RR0sMxsWr1wC4A_nTfM0PmOkVuzm4RiiB__.9F6e_XXyoAnSocPBRCHqfxM1PyW2hMnSD5fq5a6JTKTN1ayzIg67otF_TZsyCd0Ny_f.PJt0RprVMeAb4CbLxNl38QGxkgMXtioluvuho0gMJXFWJhBEElpis8RNgWvdpLX0XbFZZoOC.weAnwFtZUeyz.W6H2D6mZPLZ__XSYKYGvy9FvGu.gibSFOifC.gZeNqCSlSAkb3M1Sduokms7ioKMf7dum4r0t.rCaJybBET8ilKDc4rx2SUz1yOD.FlNqPRjFGPlrJUVLYBXOyDT3xg35xZDWJMbJBLlYwdcd709BNH1HbH.GOW3SSXRJ.W9Qwo7xSEpF3cnucCwpAulvftF_VBf_kFnXIJnDvQ4sPI9iRsWBAGZXRntScAp2mccXQl8dlT6rLwT2ITvC0hSEhH6jSOA7LkFAvpC4C9Zr6.s3HT78q6Pkbp0HuL71CJkYjXJvs6HFUL1DrefN3d0.ppzSZq.3wbKjE4M2sBZoNZV6iwtBMwVGcPr.3hMpRWD4QxA1fd8DbZ6IP7D5d2IA2yt632LEDi87zcLwNzC72lsMoIBkBRaOJ3w93YWggHREYRZgbKWPaz5oGGNpIhimOBBDnkLohifqMJDt2rzcq5JXoY.xY3QKGTvvqsP1Z5qCnJmZgq6vbmY3nQ9sHKMATml6Eg9ctXXPEeyTeAygpbzTZB",mdrd: "nzFwOEsV1lH841ZC.8zoZbQ6IAxo6A6HhnAMdiJ8HhU-1739791912-1.2.1.1-fkH1RMQhZyBQamjFUoaOV93cgOYbYzBeDkc_Lz.aOcoeGJpwkvrPTSUxVsQ9ylKG4eLmxh.hKbd80x8oeG.gOEOQdC__aVQNzcimQObrNX8cOzaRCuaYX9Uzg5E3RA..GVdG0zuVs9UxHM524la_COTKc0e0kOA0nPLflzRRwaHdMr7o7P25NRaqPewp0Fp1EPInSEyodsJMtVFFahSzBD3.mJxgIxHh_ltFTBDo6NOoZURu2L13I._3V8NFU0XIdkW764zgNB51qAQcEbcYTmITuTM5N4gPqxKq1dP71OcT0mttoZWfFLIk4.9a0wb1oce1tC_BENh_nC5jB8nnGtAfKLrEpJ6LsZ4FA8W7JG5kI5RSM_POJPmQVJqFLw2xzcKS3ZYvL0K8OvR1c1SUEyNd55JiuPK8Na5DWknRUXN1QbWWClfRf5Y8umij7fawrPkp_35LOGJ0xhE5YTTURdl4DcnajCpq7apop3XEMbnZ_DsmLG1t.furmRpQX3lLEPTRP07bUVmsdKl3TikkPfQfZE3DTVGd8Fj9E6_iDbf8ho69RXbNpYdii1OSNpOAYfSDV52ftHBh2gisYPBBWhM0BtmRmB6TPu2.pZWd9LWMY1nAZeDQrArryBm8KHIwdm6ZVeCnzih22rjBtb1r55rjwrulCu5PcwXN8ARTsGYBwO5eiWYde0KqjjuefIOy_3BKnd_0d__IUCCnFIYElXEv59SXvKPa9tzJLIemMVXf_Op_1eRM0c2qdFOdQWHkgF6q82Qsxkk7fx.VsEiMIafvIJATEd0wMlAVgy0bKxKcUJgGwIbwmKiaOB5ZlQNbgoOWNjUN_6nvkEhP7tly.rFxYk9Dp3MKJW6hrBC9wkpIxiCbmgXru91mm6vNzjFhgrV.Of2puroMIRb.rBe6jIUdYrvdMoXB4O9etKJdYvZ9cRSjBZyCG_Rxvej_dTr0aVALcB.2Zh4hDVeM.nYmzPaqHFMupjErigtRPv_woNpl.K_PDOosSaFdjb9hcFLB2OxgYInina_apj8zRpv034WUNRY..syT1OkvR9vInOy_1FDNitsBK9yWJqB1XBUXJO1nAlZFqRMX.t2gg84oPysIncJNtJDV9bAlU9y.5RUuTGxzaKFBpA9Mfrx43C6.XmMBMcttJ5FIt.ef5_3qj2SmO1WDG7RWwEpoG8qRqmFNxjKcsr1VjKm.UfIPE2SMvnmyXTdKVT67cV_n0HY4sQ.Sq3q_5_WnFJMTm7RkZHBkP6bE5DKLLyEaX3g2R4Gwfc.d8z9YaWcpgp3XgnJ4PCFOHdjOTvzfFEvLT5kTN2pZDSfLdQfHJe6ItMMSAMSM2NXy9Hs7t2gX.66UXUJ5E_7zenNdZTBMaKFcW8IRVIWym6IN2KgFe5FOZCrf_ffPWdmmKmI3Rin46lLW8Q0w7yM0aGoogQJXrqvJrSgRRP.gQtKh78oYURNYGrQ9vCDHvkbFXSQHglJRS3gaTn79_qqEterFbAYJX4OwNsww4JGnHHAKVmyvD7c4rmS2FT4FTaLgDmDqu.hi5weHfT60HtG1OTQafz4.12IXYuyERbmfnGDf..xfL_Yy1ngRF6uyc8kaomc81tAbJdHzaJFijcwdWv3LR1ic8ODeCLuWee6aCpcmjoZk8F_Kgh0J6mrFT2aW3Pn2_.3YZZ7vnwa19krSd1.3GJnf7JUCnLG_chu0VMFvWafvwqLH1CZYa8TUhI8MtstrFskOdyOZPvlFlNbQOJKt64xmf6zShNuUrzgHt0Px07ci8S0h6S1.KTD9NjNWlfVVl7pM5VY3X9Fv3MqsXAqBkqPf8vCrWMCYQwsDVgEHWOYvm6WhqQaeskucBPc0gO38YDQNdjZAZfM4v7ZK5g6BnOTflTe9AeUPA2Dlo3r.2isaKlunDprTCRwZnQJLX4Ohz3XfcDSFhddDbiuOvtEUdk7.rrj.BN9ygHJgFuB5U_KK3FJyZGXRB11YLFTYt.wf_dx9s.GkISKTig"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9135741e4d22f938';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=Alagie%20Salieu%20Nankey&__cf_chl_rt_tk=X5rQyPyxWPnABrPFM.OT6K.ba4Lhn.Iychq_I6qze7o-1739791912-1.0.1.1-TxiH3ixaO3ybLogQdhzVpbQzcZ74Ima8UpZwQzywdWg" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>