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: "waset.org",cType: 'non-interactive',cRay: '9134cebdeca83f4b',cH: 'adGETEHODQMDVV_jLjFmkbNLVzwEZh2r6ADK2HX7in4-1739785138-1.2.1.1-QNbRci9sGU7OarvkFB8QG1iYg5ygjdnEiJ3HlQok0NUu0eTG0kW9r..vLTZfGbZ7',cUPMDTk: "\/profile\/registrations\/author\/create\/5579\/9161?__cf_chl_tk=NzLzSzrXrpSoJj7I0Ki9kkjoUTnZqEAuM5TrwF4y8EU-1739785138-1.0.1.1-IUwruwnbwlgJ9dEQBy8gnoBFS8zZeq7kNa.xxJBW4LI",cFPWv: 'b',cITimeS: '1739785138',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/profile\/registrations\/author\/create\/5579\/9161?__cf_chl_f_tk=NzLzSzrXrpSoJj7I0Ki9kkjoUTnZqEAuM5TrwF4y8EU-1739785138-1.0.1.1-IUwruwnbwlgJ9dEQBy8gnoBFS8zZeq7kNa.xxJBW4LI",md: "f7HPKuVzqVi88.cO_GGxmj3WUNw40IeDEoEvs393PEw-1739785138-1.2.1.1-BY5fCsYj6WLBizdC0cr7ITCc6ocVLwi68DqXGVAuQe6szigoAw0s1EYbUAw3vwumog5wPYdbiqMtjsR_.e80v98Gb9FV9PPkP6ZoGQy19WSJuKdoy.U2UJYTzjDgDQWlXHSlt6XpUAiMttwDLC65H_Ca3pxAcKh9GrzF6nuYbkydNxlXescKShnTrmKC.K6Vha5hPhDRcMfiSvh2Mjs.abLqJxRovAVCBscfyMV.vgr0vojJD58cv.yfE45f4wttyG6Lb6r60dh9ZoSaIaKdfFVvc68F4TLKWf5oegqScu.79ROmYeIEItuNLN0_hniAIdnT2Ka_mEyPbSkO0VVwGUkp1Ivh1uqWpR_iVNc1uDBc.eUhHmHqqQRjW0BfZfAepvVFJSbfOH2Vk91MO.uIQzv99sssFKBvtNNS8hhqhcGXYJmcUazPr0tv8VvVKdmwiK6n0rpFfBIsyu5gg_qStd7Utl10WOXfI4cq4DRDbi4260F1pdNz1_mWvcqzfJHM9oCJUXmt5SM4HE0nFo47y81JuXeLnkBc08Z7CvF0KnbFNVxF3x_2tBjOaep_GhLWIltqgg_Dh32zSCYRnAd3dcKe6qxer5wa8rdzugNUylzrxxyFvvN9AQFfFmjzPKFgIGOZVV28N0dsNaYH7C1gIM3KiR_XEY0iJ0zhWz.UxJENVTc3CJ6MueJgOCahvZ14xdhJy1Kk6LyvJF3OgP1vfC9qjYFz5FzFJt1KPkaG03YxD2TjBokQhNld0sPxLAwSqMKykO_1buYHAQNUJKHXNzR6ePwQdKqoxeyze7OLbkwe8SmBqPxOBzEUHoW0q_5mL3l8hx_q.CRsrm.msFL934447Qh23YygORAXlFHnDAHdPBlBQg.8SJ5Atf.mzyuSthCQzJ1YKE.mlmxPfYLyBiv5eJUdYQJX5QE5x0CPO5BWpHWEnBhSEdOsWIWmL_w89i09OLtf_pkzAcnzO68qsU8_coT69wNZNPJJ8PoabXOIABoZVNYBV0_WuGrh6mJyDZs.F.qUuKIbcqgBxSSGjjhfTaGOq9Rsj1wbNMGh2iS0Z00l6SYGD_rcbaMO92CQl0sqZliE8F5mtPITc5lEjQbT7Lwm8FI73tQlRpvH_yljuNcl_OGfwdTrHyP_QK7WnehMS7_cXC1BSlSdWFusF8QVArAP.4Mg6SvynuAnNpEszKvls.PXMQDvk6Nf5o5yplbvDRUUgXHYfYJo2_E.RAwZiblCNVm55R2dZHZjrq3Ijk4m2cLOTdT9hiBXgIMLU1wZqhf3GYOomJMdymh1298qdIDEVfyDZoqP_Sy3X1pjhGzDzmlOHXVOTpVkNXmje7j4Whmzl7wzv21pXsabf1QyZPMUsN3iUYrAq_XRTKxmmzmnj.Qu.TlJ2t8z9rydli70cPTz2Xw5QNVJLmkH6MI4mUCOPN1K5wdvqOcmyqAoRGApcyKoBR4_PNo10w.EdgZXbaOa.haL2ZPAUiDFnkL7nPjMtgQp6c5kF8qkn5F67kSzPetOtY_FIhws1N9hKRlacDHneuPMHElAt_GBtKVpyx_1lwCT7zXPkhIlYQbK4xEPwVds76fOkhb2hYkV7Uje_6kkuP1TuT0PijOJ9XttUUStkQlGjJOn3yc4JvQ1lviFZ67hRzmml7SetXZcVnofcH8s0LCfQe4H1kjJdwrGRQnMXUcQGxbagKfWs26q8pMOpvf4R9jLWBn9cObN1C06.xV_JwMLAGitOOkQz_K8wQkiwDu6P_OlEHHOyQSCwzi1hIXTVrm4wRI0xJtFctcMNZVQbEitZwO3e9YwKb.fAmfhdxkyUrd3.HcdrdMYRNqhe7fE2Tzq3b1SYmetHh_TeYCAthLJ58PW3CvuLNd33XDHUvjxIz.Wwi7suZwEjHpEOh8Lg8HG5XyIgmlyZhX4BG89th9jZqi0mIy8_jqsSDozNzXpuf_EFJnoiuo",mdrd: "6HuTLNooewMqVNsc1ahIaU2QTuI0K7mQqEIE7AGmJw4-1739785138-1.2.1.1-3ni1xRxeXd9OdsGnEps6X68aEtjd3HH_EeG_kHd.IZ4fsJYEeD.eYMpUrl1Cw91doN33HvuHdRXn5SzpJQb8jx656L3dbVJM2NYa5HwISAOjbkD.zRdlX45BvJtRQXqG5w0ux0XPGggnzZRYuQC8hJhPRWdi0EMUJZEeE9Iz_.4Vh0iZyWh0W0X9TweCc90Q3B7k0uAFOdMovX3r0HdtZdmLaRJKGjWhKMdM6iI5FmSJ1XkNTIiKOVHxF8L1z8L3VqehOIVsEG2txevrsYI3KQffw2WgtTiLbwtJiqswbKd4fZ3eHLkZ95WsSGoas96vA9doissd.N0vRFw3K2slT1IUl9XN66cXMIDKo4pYQmO061zfyRDjJTD2kPzpikqMzRRSToXs6aKnvkvFf8fgFvJdUkMXWLxQFwceDxMKyQpXHqHvv0fgy.a9wIWS3ee277qOzuwbaFLbAKK3kVbYzbkHyMhaMiZRr_spx6353_s86XCPIrey3gLyEQpGKa.iyraDDlMsMNcLRPyqrD86n2SWIyUTNlPF54uNyIq8gfjmNUdk48du62uusscI4mbR0uIoGqBt.hhiJCD..Arvb._.zplJDsMmc9TvuWfvcDWTIBI2J5tvxTYaKlBirr7OQ6cSXRe9uzjJOPpQiVPjJolNb9FEYzqsdpD9AZEp.YZuuo8ZuO7GVSBW0sZ1jaeuZls9M5UXaqgInvdV0ZTcgeS_hwSUJuUq0xx_Tc.w4m1TwbrnlJEqTUv8LaB2iumZCa.Gp8OsnCGEaAubI6LPMTs5eMLjShG3wBr31MBVHGfYPxChkOoo5EcG0dUdhht2ZFDYWjXfIW1eRA4wD6V3IZsWYduqDHxIhJz8dfRC.niI6oRJgJcggU81C5dgW88GeItH2akQyh4YAXRFpUjGuPeAYN6rD0nIG4H4VAzqv1S61zH4t9o8nBb3tLvyoU9fcchpPrSB9HM3vEro9LG7U8PmIl82HAPlDcDN6SPWECrE.xynQ8LaURasT8XI3C6H7BmW0EIrR8w.og5IDNGsunVg.1mt4V0S6IIlqwa8x8WGgpL3qT9gdn3I9dF9L8fHLowVjOag75NfaXOOTvMefdoN3w9t7_fRUv36g0EVpBBPCU5Yr9.GBojQtIE5JItCwL5CxAoHSAcBzhM1eBdc3ABc_IXSamzDJxrby7LsG5qtwsx5n6xJXp7hTyhkU6eXGfTEYJex3nCKSkn80oNs4CPeqEtYB_cORUsngU0BpoZ.UawsAvjZx6KILuo2Uf5WuzrcmjgSKzaWA212nUO7dIJPRWWviSV3qswLI2GTEBw780uG1LfrQtXMnCo0_FzBT20j6VEghsg15OH9i39hoPsPnPOzorVCtTnVbZXxuMXwGtrfV9vU9iBEUCef.CKU2Gl4BU_erUybIuERrvAM1raHHylqIllLqy_chfi4QNomSfTBh9CrCLrVT4qjA9n5Y42urv0wzBQ98r1XtIOuMjQTiAOKwzRcU1usXhyCfynKZ2rNFfPPMDLH_1qwkmECkSVAvH6tDfUhIDkPJWjh5753VvANsMoN.6aOwZMgByCsm.aU_EQp7_fPN4SxABZSoiOr1Y_jQU6nnOb_5_oLhck0arWjKXl2OHbEN2WvhEOimcT8HknFnkjlITXwZUh8i_fJK8yfRKeAQlPzpkUrw8jmDb1Hh1O_vHtiLLoG12R8bjfskCc3dHNrMMiLvAaj6KNxjpahfmLSNwabke5ojRcYdzZPnxaKHiMBryOKXvqAJ_QxAXJpJVxspYKkLFDVBgNL1ZLVSt54pArXPTi0OcOH7kHplkLMlf9FTrEN.5ptkG3XAsqNfrwSfL1pDboR9jYWDld3ANwYB75tn9fp_vJyFDDJGv0Cvadj21XprnbuyyVdy5BApd21zpS6uZIEfXbojkXl0bolDCeTm26qaU4cku3O68MId5cgOzRrbVo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134cebdeca83f4b';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, "\/profile\/registrations\/author\/create\/5579\/9161?__cf_chl_rt_tk=NzLzSzrXrpSoJj7I0Ki9kkjoUTnZqEAuM5TrwF4y8EU-1739785138-1.0.1.1-IUwruwnbwlgJ9dEQBy8gnoBFS8zZeq7kNa.xxJBW4LI" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>