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: '91342ab9fbb4a8db',cH: 'pArRR15XY3TOubXB71fj3Y9L1O3C1RV3Fr1iupFJ_8U-1739778420-1.2.1.1-rs1W5QGOU3Llf1YgnhXtIdwgRnVI3IkUSpo4lJ9aAqWpabA7QHjdktjlOwtF0wGk',cUPMDTk: "\/abstracts\/search?q=Christy%20Li&__cf_chl_tk=KyCeY6bhldM5gZZxZKPZW2i3w4gW8ZRAJGHU4VWX50g-1739778420-1.0.1.1-P613EDCQFvsH8UlZXpeuxqIT.WKWXkJVL10kQXFV8Ds",cFPWv: 'b',cITimeS: '1739778420',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Christy%20Li&__cf_chl_f_tk=KyCeY6bhldM5gZZxZKPZW2i3w4gW8ZRAJGHU4VWX50g-1739778420-1.0.1.1-P613EDCQFvsH8UlZXpeuxqIT.WKWXkJVL10kQXFV8Ds",md: "b4DUOVAqYkZF1IzAEVdNSZ2ziPArgoS2BFphc3lQ0rc-1739778420-1.2.1.1-O6UtIKG8JUPNe0zp0nDy6IhoWPVG2yTtVZzi9POiRyCbCMXgOh4b7jCeHx0pJl_rGAzVC1Z39QRPj4e_qPZFeptJkiwr7vf0Vfknt9RN9kmFCC_NhV07beM3CFzQvc8JRroLD2AChf6aU8z7Lw2HA8pVd8BSpvdHN5V33lqzHC9dPC5Ky.YIr_fDM43CY7GmhKTL_fhmp9iXrfWP9xyuJmn0TyiSiqRqTdMmmoUu1nVfWKhvyEZ7BOg.2PhXESzZpud0TcB2u9VXBWAw8lKgUDtrszUSIzwM_XY6y2f7CG.1XvrlWl0SkTAKa2JAr5HPrxgxqfH4Xay2sBqfGKj6oYiwl8Ikv.kJEn54NtntH.y1R7aHkQVc_cDcl7Zn_VMHKA6k_G0q38v5IWn1S5KYp.wkK1_jftLvVkKty7H_XtLfAU1y9wBKmWXKVS0BfvVCOnvFtYdepRNcBedyiG1gVuRQjY0eG6b.Qx6JlHooPGsoquGhynzEmQ0fOnlByGNxneapt9GzJ3jfboCzYmw.clM6j26PYScyI7AIFieNqBu4uYh4HJafFCpaSuBqNGY6pgsg_aGtcSdHVULLKtRhpdDC1Z0i3bjiLUuFGhdGYsev31xWfGeaNUhmYnn59I_4UeN0ds30dAUMD6SDUpdleIquXanq8ygjdpVUNCTZdMeYn8VW72Ji4AN3A3Dnle2DzCNAjAmgIx9h8A7U6jxa.4H.R_UnFwGdSbjB8iLeX5Jcny520jHxhZTq9ZJdAMJuBoyGaF9EBthGZRXxEPS9udSRLvZSqsjCHfMHVZUzhL5AEjbgqnFzjMesHUYfVpG2GpleLsDiTpGmbpvdWGdE7GSvCD9P5Gm0dPX72Sc2.IUqzWVEZIS_xFuwyFZQKnWIkZihPxUCnswfA.2lBOUNuLK_K29AKgv9wE.Q0LLF9hi6kvrAA48DTWXIf52ET_xD6U3z9cROIEX61oiqcOE.jGEiFi.2lhaJB83cTNJnQtwZ8bfFXacChkFggzgAcdKPmb8rNZGrKNu4z7_S2JBauPaDP5yPKJZVlkeK.GrmWBd1U24RmuZfH52GkSsyDyShzjtMG1PC5I55oDab9UrkRpnv825URwZIcGE3DzvxecFt.d2.0wcbOz_Ld8pZuJgkFjzBXF1UX9HOz_ead1YgpS1TGyeFkI5lcDtJfFIEvHhTcEK4Ks_F517eJjbIQeFmKrHPrdq8VaKpocYbReLQfbeek5nVh7DP1.ZACDj8vJ.MkGuSe24ycERQmtOE0YpM_Qo8AqYEqFS8tuAunoQwWqAx.VKisyGo_zfB7v6OfoGSIedVEQz_n4Fd8QqcoA7jvneZp7s7ZWJNx2ycuxsZUurHz2h7ysw11XQUKPZ4xDGaAGjCKqqzS8lX_jKOEj9cdffgJLU.Ee_vIPLjuTgSwdgPgz6QjRteG5SgKtWj0HYlhVX34U.sqXfY2EdSdJaColFwMAcc90DrzAkgwsotswhhHGkLOWjkucSW5eg5a4axD0kT20A0B4UJqTHT9h4o7bJA7XPNcTwysR95SUfVkNT7Ct0ZTmgQ6kpOe8S65j9hlFZYiPHSAanaSqxRyj8m_ZTOMG4u54RSGW1LqJrnY.wPjQaA7peWOZ0PdCb11FkxsUdSXgpdMbG_OF6a9j27NZiVckK94yi5hinP6ZOGThHy9qnCyl43FtjKhinH5n_ZGX0GAksxbbNv5wk_ejWtXXqGiMhsjt.QKPV_MQZR1NR235snrHgOishHgrUHni1mNYd2vaSS4cW6N3GY6rcui0CQeGhMCrEHQ6lZ5.sshGE4TCpvyC9a.nciE4eHKSTdpSm1BbDwRGu8ov0HRNUE8AqoSXkM90GybsRlKWAjIOYj1FAWAUNRyGRM4LRxbTC6U_zj1nA1oGHunezIrVI1V0KHo7i0BIqquwiCZQrJeg",mdrd: "leCzC_S_2dWd.tDTgGKmhAas1lXYYq_R1aYIZPib7fg-1739778420-1.2.1.1-drqB4vONBi5pNAk69gJd3jmzoNHgRZbQ9M5ROINQdRJ6S9Z3BYVZyIjRlarTHnhP_pXaCmhbFXdcRCnaekPZpgUZswM5dnILqnt72BEjy7fC8bm9hD1jAC_yF0tH9esSlh54SJIQcMEpQg6Q.Z0VEOqQojXD0vgXWXHF1hbmVOE_0AepIHR27m6y__KCVaUCVJdpJ6.C85Zgmt9FeSoSr6qo.HgvD9zK8DdgwYbevMhJX2M_OSvwwb3Yk.1XNfLgEb0nhz8X9Sktzt1Ek9yBOanlTTR9y7yc4TNAbP212ddyX1.0Pl2e_TEuXuC6Qbt2pMh.1AOd1ccpdoODU3sFRkr7KBtRlm5jbdfKMD90UV8wZwdUcuxy3_ckDyeSiOCELsgXw_lnLXwR94AajijWrACvGEbT9YhCOlvBCC8Ph01PdsaoXE6lgzCQC2Za0NPe7wH1JKpXOSR3mQ8aTUwiHvMg41eke.EqIr19EQREZkMaq1pl6Zd.RcKsmkI6XPdIAFG1nUtmtOEYv7DBweT.b1TcOHUIgnYU_dtbPQR2FwdOX8SrdyVpxlSzCs5mcpsT73XboRh_uMait6TdZKU4YpsB5uptZHSX3PEQyNrFWDNgKnjyBAzhodVyUeWOkmH0Td0TUhgIK1N93gVY3wPuFfJqrAj0n1oYdaHdQdFv3KlfRlQ2i7wR1SMAsnZn7UsfsSIlOXaLcQLdDuEnn5o0Rpj2wCfbR.nG57.1BmddCieQ5ypE8hWjjHvVbXIo0.GK3c9jwsdq1CAOjkpIFCrBZbeTChAcTBh9ISbyTcbpUCtlAhX381IyZs3rHsR6sqIr_S0qh55L.17FYPyB3t7cA2uCYKUEGGK0RW7xds_uyYZ9wVysSUvYWAWGggxIztQsP56gDlQsdJavW2oy2bbuiX27nW63L7vX5mX.TnUQvN3SfrnUUJJUtrCmrmUp3exyZ1Sk8IR2vwWjLr8wIj97_UH__g.Xaqy7q2WHegDGwduFZPDmeY9Qqn9.RLtiASF9bIjpOK43mGXMwFpl7V1Yr8PClcw7aE3SokoVpV2MGyvV6.gJ621DaqjLfa0sW1Pbo2INVlAYpgDZumAQ6xQy4Ld4Mw31obMiIT0B9eccStxlRrCNJOKDlyOPZATl1XWw0l2.oWWUCZLK240NCRQyzw2HygbNdECFhElLWN9KoNqPPczumyYoAvxbG5xB3IZAHg8z4OnICwTluGuGlZMIlOqclsXyVoBOxnWR3vdHhQ7C_dNfnXrSoyZrpoaFaVPm6KwUVJUM_jrAQ3ZKTbaWhz0JAKXLkw475gfB6sUmBxwbN2WhTc.BRNTyAchWWLCUmy1i1.q5Xq.EMtRHMJ8tY6vw555NxCGwt3DhUN62JCVY758Yv6l0vH8lYjvtLGuNphsMoRkk.GTyChpM89QFpW_b4wI.MU0dgIaQao21TQIHQdMIjB5aBX1ChHL4nHI93EEz3InGohGwWwCTGqeVzxPrnqob_y3S0bll8V2VdM_xNesS091qCvW74vpVYOQ.cJFelpWRkV17OtBNwRXYZJBJVpqxF7x86JJIOoXEp35sw32mik9qTN3YImphAiNWtACIMw1cfDeMn8cLz_MetA9KrcJcdr3X3nzs2uI.bzX6XGRKMq2nVtPaRIb0OQYudDRKz5BBKu_0qTXs_wbvfdbN3N9fJeLAWvA5JQuCfyBYAlLUHCNDFaDMUrepKUD6wMsTyJ5XJ4qAOUMYJQwNbf1BjQMRBQZaBIOAmBK7wem_O6ZcV9BkYanB0T31IU6RPLqZiwgsUsLhiMoos9RFsdqgonWW92fUKb4Pufia9axbsrsnC3BUoNm_Q5qu7oYcaMaQkMycSSA4Q54917WS549CZPB7cHgDvrVl7ANFfTZhwOiqS_UHeDiKMx6Zxyv9zQNViI7iUUxj3VbX0EfblcIclEirjwULc1QHGd_3PSVwpagUQiPA0gJAPcSbCIeC"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91342ab9fbb4a8db';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=Christy%20Li&__cf_chl_rt_tk=KyCeY6bhldM5gZZxZKPZW2i3w4gW8ZRAJGHU4VWX50g-1739778420-1.0.1.1-P613EDCQFvsH8UlZXpeuxqIT.WKWXkJVL10kQXFV8Ds" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>