CINXE.COM

Just a moment...

<!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: '9134ac9b4954ce55',cH: '4H9e5K9GlUIV.y0QgJEOSTPhJcgw6GmXsWIEDD_tA8s-1739783740-1.2.1.1-aJNdJmKDkCxTJemF1Qv4BStbiiQGmSnAbVJnx3OZWSZarYCcUK4FvE9HV0pD82Bz',cUPMDTk: "\/profile\/registrations\/author\/create\/107605\/9248?__cf_chl_tk=H9JdT4u7aD_2BPapRMIlU7KGlnrjnOK.8NEZOvxQFvo-1739783740-1.0.1.1-TbSDCpm0_tiZXNpwTrqDBkf0NdqtpN_N7c8zfbJ1mEk",cFPWv: 'b',cITimeS: '1739783740',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/profile\/registrations\/author\/create\/107605\/9248?__cf_chl_f_tk=H9JdT4u7aD_2BPapRMIlU7KGlnrjnOK.8NEZOvxQFvo-1739783740-1.0.1.1-TbSDCpm0_tiZXNpwTrqDBkf0NdqtpN_N7c8zfbJ1mEk",md: "yvBeP22yLfmzfU6ZSLx53htQqXVKnKmCa7J9WQGrA5w-1739783740-1.2.1.1-HDmIK1TC42TFdnOC2y7eijXsm1IE.JH92n2aU2Xtu0if1MLeuBbLrsfiebLGoB1NvTN1E8bgeGHRNe0CAJDj_7dyXWf_7BwYvqKiOn0.r9N1r85DZKUr9Ed5TLT7L6_O84sMEwUfb.ry6IbyfYXDmCfDskXD6FYCTmsqKSvN3K93uGxhqvebuMn1fiLoSs5.RHHLBrOLT3ZRH0nnDibL2OPABpOQyXdz2vbYG3B3nW.cDGpyo8SeKSdGHSjohr5_yOpYqrbX7eONCfF678YzPB5ohCwIHrQGpj.31rdXySE_n7QfHBCVxA30Nj28W9WjY7p3U5l6rHC1raPGEnltNuWMJV222lwP14KjsJD.nZURBrPQgTXJxaumYfGSiWdq4xS8cUmsfnQs4gOaifXwnMAei8QRZVsc8YInsvb2ACOAvsFSEJtqAaKQmSvhNAJMIEKACWWCzFieMUSGvwp9J2vXAH7xCJH_KYzju2PiaEGnwJ8u4ETb6wj2zMyLyS5CX5rpS1wtigrrRd4wuDid3EJ6vlwJJbbTez0YNuxqNU7P9Xz54EOvdmHmFjdK9vHKG7lhrdcwPan8Fh_Wb0IQiqM3abZdgaaxO9s_8Tj5EBnLigtwGCnXHgPjv3oaAuLgQa6Cqb7qlgJLPkZgsOFupuy52663q1IrrEiuaFwv_OfEe8HYzRmTTIIoGvqIoV12gTZrC3MhlH3.N5Rr4DKRdof6zzAfuaNzOsHDPQ1acI3O29UcUfVKQHDxZvM637L0KCJ5YfVvY1R6UZRi5y9LwxtCcpZ.EsFDR1xC9fYbv174_jUOAzKSxcZyK3NxJuv0uFXUnAaLeSWbxmK2TWkvyEiW.Du89rMWrQyq5xtqjOCFKNSTjSpQ4ocOjHhG3T6bPPgRUnlScv539Xy7fBZco.JXZYtM0VUoze1WBsqpD6FEd0ROwMzBcIJFakSdu6BO3F3oBTRpq281WUWC2tHTZ64Mn9e2pKEvznTdtYt_n9VIcaa2KNcNJkl46o_EQ6XRYwyG_pittpSlOUKZrihZx5nn44DRho.xWNGJgeLMc.YnxwbKTwJPy_bdb4fvK.AYH.TwPIJ1PkdRpP9G16M4q.fs2YAjrmGfnu5laib7Q9vi_R9OGbh2k9dDXlquTlwsYOypr0KO.9Q2PNAccq_P.9tlG1SvPvEIMAKiCRA2Z5BqHtGQTuuAuiogXyRj5MvAQQRBsD718oTXA2V2.L3TXG4xup4SVZPMhsnXyw_XqXFdR9bXiqeHw4aDi3ou_o2kvyFu9jouLpEgNkZ4NcgvV2ylYSJiqjxls3TpuF_g98sIKg_x1D3.p9x.9TfQq2LV8boNPbc6a5wRp1nxMELiu3VwP1tW0IEV2Tl31MO9XYoxQulP279Fi75La1GFEqpTbQ6b13RLwdLSRvzEyYw578ESvoaMjK.cNMdVaZoxoXRTzpw7alNANLD6S8.fByf3xXCpXQcV4aMYdamiDj54aM20oBKgxwL_6Ie2bjg63MOkVY0Su1pprlO3Op00GlMLjYUmMP1lJC1rC9QU1O3ulBpG5E5bnGRRIruEM5RXocomR.GvZnjJ5ql.VlqYVfZYSnQMoOmeqUFNAiaO6udkFsXiylx3RSgov85ftzRbRPPs6I6EsQ1v6JaLy0tA3A7X25pRi.DZEJtKfDa2lCM.T6Nv3BF7x7SPpfFmjwA1EI5V3Vw8h8UlDRB4B4LiyJpmd7WeadtYR9uY5gZVZOAl7noRu1Jus1lIi9gZ.8RaIUUJdYbfp37gUDAU5Ufydk4QHXqxC6x3bB2azGA71uSP7ZTrIxF2sJd65KXPSZmm8xSWu5cHlIixkSy0RtykCR9B3vgQV7Ffo32izLGf32.R7ZDlWhKu.zl57HRcZSoQQ65BEKAqPBq3MK7CFDFn54FKR_4U1SxcopvBRNylKgNaJETrSmcTJjtoA_fmsTpLfaA8tquVgTWPBB5VC2UyXnr6",mdrd: "8eiznmSZcW4QT0TqSu4IPinsqmf_IczzV.fP2rWE9v8-1739783740-1.2.1.1-.nmV6LBmr7YmZwHckaaxrglwCla2CF4BwelsBXbloS0ypNK.DUXlabESw0jAulKN3eProq.myBXN4KvzO74zADtvTJUdg75zZFif81ZZ2Mj1vggXQxf0pUxbw1phx0.G5BAZI3Rw4sPx2QG9NFFxus6LU.Y_ckogMUVYk0MMQ8DE_3uMwbQtq1c8e3wQUNoRfpjAZ9QUDRmpIKFax1ub0f0gVqTVaPPL.0cp3Xy8vj9UWw9fVPRGHRIRMDZE.sImeuKwGGVmMPoFhh2vNnLdY2hcDkGTm7_BO4gTCgUb3k4LSN60D3X_OwsOZ63C0hXUFRTr6HXXzUSpHnMJLNM2ebMoE2YWEtY9RcAVkDDTOUIrmmXPqx3RbbovL..p_R8pw12yuIsEDdIUkDTLIVsJmtiz82q.nWRkFvvi0ekLFED_ovJkw2mXTfy29XiTSm7TcclG9ht8W4nJ2M8LfNCP9fi6X1Ey6BihChdtYFCqFZ7GGYCbk5vhKqDr7xZX7U_Bn7b2WrDkgYjeF52xP6ywxl3mBLdy_n3kZjzrsnNk5M7ptvkrKlS.Cs1H49uL64fE4RPlVgd39BV4cgJhzAAoeqFuDeMa_YnfK_NqtNN01Ae3AuFNCruaMDBHeyQ_ihPYKUDZlZ5ZBknUrL82ZTIO9uVkGwELpLrUCsSvgNvmOorU2AJVeOGrLS_HENzHyS4lzgQ7nIIQj7e6MJJXx0KpopcoUfTwD3MBsceO.W3F0Z6ZA1EcYWykY2QYPMx8lcHrN2SVDV2.Mmeq3Nuqz24TvsadBa2idjpbdXnx_w_UzmNzZOy8VnlzTjPwUWK3iwD59MF1zrnv_y5KBYb18JtCZLDJTDgI4M_d698C_MWl7fOsGAF.SfF6gf5fVfhrjnX.L.ghM0F2bBH4U2ubMUPvIXm14s3cm8KZXiijmjOGTGLan_onXCTAd482VB.Tub.D81N3ZwEGDGyRq2NcFvhjiJkC91rhW6enWTJKKKASmgs8iKjggH_8FOnmSY50NK7tIUnjDv0BXBOh0QtAk1ZUxgv5ItBJNH8epgGDlTwqLIkzZ9NcIWZM39_t4IpzBbPADMe3Fm4KJbWB8iA3I_Kwgb_WS6kkMKIJSLpW3fz4p0daKmsk_0l08ewozEbk0I44gUoYkQU8nOabn0pkYUYe4c5cZpa1vFnE_dzu4AS5K.kvPYqylF6aW1Pc_zSIjPqOUlrvZKu1rJhyBeOmFmmOwn62BKdPOI_vhCvRH823akBMRnv5Q7MYd6cR2ZF61Qgwelw4wOs9THI8b76JYum9VeLLBoyBMRvdJmq5v8dU_zdWw5C6n71Gm3yF1.NNSyfByIrGu3L8NbcD92htKv6A40VhO5xHqhlrJIf_jFRL.c33mILHoNVfaYrdgLwsnYjHr9neuoYKqUQvyo1zbPfZ8wZ0PwLzQ.ADQete3CCYqgK_GKpCRJFYgda39HVlr4lXWEP6LEHKw.09Edo8suhqNWP44.VFyfYm7UXL39dT41awJ3suxqUuIGt6ELCfBxbtlh7fC2ouEeOUFSYoeWqdnQgQts6bA4wJeGZkKIFn9H4UPDCRtjXJBP5d2nHn8ztJ8EeE96IxInHdoUkXwBO3PZMjMum4FyFQCc_XFguF9VAccu7Iv7Do8Yt01fCKGLSTJ4j59X7QJnH3p13yJmREx9b3qAiV83wcKcBWxkVtZi8OHXoDOAGKOA8._vp.hmvhmVsasu.12ZYinBEBCMKZj_foIDxOQL6HsVw2OND7Zk0WSy4IgDU9boa.vac_T3GtXNL1HcAcRQpOK6jhb23AsAS0FD0u5noULpi9nusAVnRfWoJO1milWnr_fMoepFQMjqQ_j.JNUhNzwpHut1PvOmQLOzJaNJ1AZN8MmdKCUxJ5AeAo5whFe5XHx7oSsKgBTppsElpa.qZvP1xg1nHnoA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134ac9b4954ce55';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\/107605\/9248?__cf_chl_rt_tk=H9JdT4u7aD_2BPapRMIlU7KGlnrjnOK.8NEZOvxQFvo-1739783740-1.0.1.1-TbSDCpm0_tiZXNpwTrqDBkf0NdqtpN_N7c8zfbJ1mEk" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>