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: '9179c58edd2ffe01',cH: 'BrWlNiLG4Xe1tYEgw01FmZiCld9X2QzA1jptm2kvAy4-1740508280-1.2.1.1-ILNM7ccYevoGK1.7cywyU0Z6rWoVFUlnNU4GAZKQlDVCaP24fAkt3F6zPwebzEwy',cUPMDTk: "\/abstracts\/search?q=Bert%20Vanmechelen&__cf_chl_tk=ZLqlCW5zhel9ADVGw_w8XTkvkdEeeCXdYBUQiPP8wfQ-1740508280-1.0.1.1-hEfkqyRgd7R24Ct_9aUXYmvea2xgY1TxtHAojQZR_O0",cFPWv: 'b',cITimeS: '1740508280',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Bert%20Vanmechelen&__cf_chl_f_tk=ZLqlCW5zhel9ADVGw_w8XTkvkdEeeCXdYBUQiPP8wfQ-1740508280-1.0.1.1-hEfkqyRgd7R24Ct_9aUXYmvea2xgY1TxtHAojQZR_O0",md: "sfzNmikTqNlCqhoMPSy5H8SBwtr0R7cE.wr_wTuE2zM-1740508280-1.2.1.1-W0uN.g6ZzYy7J6erqzISnJhsiqk.MCRMNgQeoiZBI9bBfSF2XA2_mUhftVbfQzagtbVwKOls9sDtDJSpmDASnVbVWmuM4zOwiqTvSHHCfC_FS1jFLE2q6ultAqHpdplhbnz_SJ5W048IQBA5ZEstsg5e6Ng26xfbzKqkgZOwbDYu0AhTc7G7ARtgbehU3adfYBxLtNguSIlhv4UBty31oXOtSk4lTpy3GFqih54iA7DkQhjc2qeZJT9.r3IiYHGF3_lg9uFE58ALTCD7tzt_FkmrnRkIEnw10RfSVfbSG_hun5W2HuaEDxGECJ6UaqIgLK2b0mqnUsBIMX6E_CUnrDZhKbd4ZVv0w8L05pfPuciU2PNAG9Mv8DhkLVUuRCbQ1HtqgZL5x6q734m90MYpYqcXe7yYVhrgGeyCxzDkJqxwwz97eZpVG6s6tgWNHql09XTr_Sw0kR9xhx5Sqn9WxGMM8b6H0QiOLn4ussMPDNh0.zBzHMJvShl0Fa7GCZX3bXQgz883Xd7xnpbVFKgdz4yVEOo818FAMdQHyWdNIRmp3pXRGpfiALnSegpbo1Nnh4HcYWHNe_KHWW8VdFxlDklfCgjpFvy8_624uqzRXIk66is4XvyLu3uqhFzh__io5cBkF_dVCtucwvgRJ5VAmToNF5Gu4F4FvpXUbNKLWNPxufJXALKcBeuxC_MEqUBO_mNKZlCCEK2T48cb_gGp.T29G3ByWSe1.0_YRWqpQwj85Le2gU66tpHXoVw4obeH18QRADYs6LUI112ISLpqDUn8vWTvT0qqH2Af6z6mGPVh7fcZGR89wP475eIe_bb1dTu5yDhNoiyVymtMKYOsLl8EnWBDNbh_JYBXsoMimvkVQpvgzr0z2Jhro_Ny30ZJcZgeAwOdXPSjxLDtPWBkxkwqu79G05hMaftZ_V5e6uE5r0R5KuF3in2Yf9n70WX.QHCxDuZH9WLGvaj547o185_bsMiC7qkLHWyFXcsLo61TXJNPQjtX7PSe3YTmEkuwEAeNYVvdbC6OitPzyZuc9KMhQR26sBZZ6nF_tB043mgC2TqGwv4q6LoRvN4fGhtIdJrpWT.8J4igSZ87xXCmKkB.4Fei8w.OgCSafBFy3tQZDA30D_Y2o._TwpPDsesR.Vn5RPPK.Gsua3ukWNXyOOwaW8bbHKTU1jUgSSXFkG.yh_aF0C6coXZm2LiekZoHmGnxO3BFgPFZzPH24Igk9PgGrh3Yf4ieN3ZIXhCqGVMawV88e5kaaman9oxAsoitlAnKyODHvZHQqwDt6ZBbOywNDn3X0XvmOPlrWQ9wEyj1HSb1lHbI4wqUTVjmS2S_9s6ogs3VfM4pONXSaEAyEWnFQkatbN4SHjVTW.SXFnXMuzjRx.iZx.mSyiyJxuIjCaDNHsNbrWIyX6oxjyLgR5B8miohdZw77f0gJdRT6aQsB2.QHqqh0bREFlBgdy9CBVoW39US2o6eILdXqStj_4bSSoxGRpXyM4g1RlI4od2_lBvMJpd89xyA3w0OlRELcpBhac148TBO9Y4W2ZC33hq5_jLLOi20DZkmJCKFk3oA1gj8gOAICoKtgnHN_nGOr8HXS_T9fnh.iec5QuQCaKDJTekB43D_YCual5sqrPhXfsLszpONUBm4LeI.6sDu9D7d.MMM8rnL6U3gPJOpvqpiqMzn4gVDtDuruHibma6Lv1rv3vWUOELnDSa5EAy78hwdCMFPyiiaklSCwCUf7sg2nYzIQnh3VXnNWK9tH3q54DBD00UNOSRzniaQI5pM4kmI0SLuto3h_L0qVaf64LwQShh2sZFmgKwQwVChWWoSKL41omGPNQsTDYmNPV8JyjnJ1La0EqfsJHtjiKTwqtCt26ItlY2HT8IO3zuDu0IXas.SwwapgHU8F73LuIq3R6LA.6Ce5EVCBKNH6jcwEbj_Y6z019ng5qopF679YKE",mdrd: "bcf8z3ABLSMqF_9IG9F3xdh99E94zzTeeK8PWXBgq8A-1740508280-1.2.1.1-xsQZGDKsZEzut3Bor.fzxhjHCnz_rDODI.2qCEjq66kFELQ_cSEmRPDwxUV9OIHBwtToraHkkLJCLZyMFia4JHfm49NTLFBJaJns3EDcO.milryQYUIjPTLQ2lIhNM4xDKTNR8fZS7Sn3hPRJDOPvMy3FYCCZvKsQtM6z1nqR88J_KAu3Mv9Ssp.iz6.dtQTcNpMQ0z5X.VsUwLy55QZiqWToLhMeKHieU6Xh6TKy4qXcVmrCsySavFh6mXY5B4p1Ykq1CY0NmUhvtavUg8j2Gh0inB0ogb2SksUwcvxY5K0LOPuVqNlCyFfoj5rtodZqmIQUCb627mxcaVCrNEO5kALcSlp31Lhh8_QNxfv0k.ccoAUELrXjgD.5hCLMENi23g3xtzEojgcD56nVszk7zP9aYb05JDjyEFIba6snbnOGfofDEI.jt_fw57eMFnRJJGFnZThk6LvgWsoeaD1RyUjUmnMJv6zJ3MHxyX5HfRHpHF.PWj4ZPgYG3pDGbiwYKdkXSmSIax3.3t84vaKQhbHZR4L.opdncZHeyIGhuakNjUwN3ZZqOcLpPMaTMHwzTWylyINtTKyS2Xl68ucUlcJ_Z19DUocC0Qu_GyjmogXQzLt2pEgACSmFTdjA12OtkGLDl8fzka0.zIzmTq7IoHlUxuTssinrEA.iw5P2WWD_hRAQPVido6giiq3pw4P7vaw3gPhWqE.CHBI_JEgJ8TiXigp2rVa7eGo_CHmi3RD4cQWycyEu1Vaah7t3RsrpBxU3esFTlRoKuWtyOaPew.zCPRofTIIu1ydV0T8N9E4V5G3p0XDXelbxmzLRD63iuNMNhZAIWdCoU1Jz4aOniMCnAFvBLj5zz_aq2XchPqvwQfm51oz6ql.NkxJyhBzeh0Y5TRpGlfoSCElIKTnlnlGQOPkoR9Qwg6jpYmJx_hSLCZsaFMymfnstfyTEm1NvWcdgrAXd5aVTEyRIv5Ssbif1pOTHOCsiY54p_gCE07F7rhfb_IGS87PPeb_YBx4k.QqwzfEKdB93SpFDBpcMqfa7uOan4yBKLUYL1tJqnEVUXdqLjjQQFTuQH_6NBVziG4SwKKbUe_N4FtVNFzCOYWB5xWkviqA2zyRX8hwpfdmL3J0bMAYgz52ocEXdssI0gCsehkQ9V5JJejVVYBjUjNCI7XW.quOMBVqBQGgicDo6i3CG3APWvvHT.q.OvoVapT9m3bbgf4NugyjM3c9WH_LRVaGhNHTh6QYcf2CknHboOn9Y1mCoQ7UTeTHo4p.gureQexSu0WXJgmiqnnrY6l3JX_UhkNkgJ.6fFHqZc_3y3pMmOf5_SPy.qBPtKHgbPErgnjkQiNYdDmjPXBOMfMeSgRzw8pMsAuMCO3WHCurmRf9d.5fv_DupOxK.pKNRPlGkf88lEdw.EB7LNro.UqJfCrD1dhOcmH26EoFt_ZvmTlk0D2kCcXNdHlP1rQObJrIFHEL5vmBmtoHEWYTZ_S_9w4ABUWefE15cG4Iu7TyIbBs.U7Y1fruKxfXnVyHrqFaaP8aB93jKV9ofy.vz.V8lOeSyVWPYZ46._PDz8v2WjYOquwJm8flR3JfNjJ7HtVzHq5KXsB4J_SvtQAYNiB70dbcj5Jfp__8XI2lDh2aPjxECAI_aQOsw9LF3Js5BF8w..yAH39UW7xUbD5dOSQZaz9bjKrfzikeQTN2HbLFLlHZ7pAMUg_hBY9vMWXMYnPfiZSTJ3vXK0sJ8_kJ61V.cqJvuYai6gXWs5gufiXJJa5OgBSSVMZLILbAYRXtAVQNWRx9FasYtUAGOPT4z6x4AEGIMwKLU_5uDtHN.8yaOL63T4wGZZ3fGwAp3FmdeknMdcna0dSZAzNpJgOwqKVVdwtS04DgUSETon1Rt.B1VS2uqOJh1g4ZhTg3ynjsNN6lI5mHaDyVYe35rNfyfPjXojBbvmc40Vi.aRUPKRlJnLA2H8f7IG49CcwGK9TJ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9179c58edd2ffe01';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=Bert%20Vanmechelen&__cf_chl_rt_tk=ZLqlCW5zhel9ADVGw_w8XTkvkdEeeCXdYBUQiPP8wfQ-1740508280-1.0.1.1-hEfkqyRgd7R24Ct_9aUXYmvea2xgY1TxtHAojQZR_O0" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>