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: '9133b4632c5787a8',cH: 'u8Ay5NIAZT2dY13DGpgt8XZRrne50fmrOaqtTlN7xGY-1739773573-1.2.1.1-xeiGkHz81K3cGm6kbSQiDQ5MGwFz_12m8tPG7A_YekVYEJnU2rAzqOd5oXB1ZDPY',cUPMDTk: "\/profile\/registrations\/listener\/create\/11529\/9251?__cf_chl_tk=2ppaOIHDRS31o5OXMBlUMc.yyd5eiX7EVD6I_aTT0tc-1739773573-1.0.1.1-oWpvG6uO3y8nfMwmZWfN6xl0l7dmo86skYvfxV9uU7s",cFPWv: 'b',cITimeS: '1739773573',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/profile\/registrations\/listener\/create\/11529\/9251?__cf_chl_f_tk=2ppaOIHDRS31o5OXMBlUMc.yyd5eiX7EVD6I_aTT0tc-1739773573-1.0.1.1-oWpvG6uO3y8nfMwmZWfN6xl0l7dmo86skYvfxV9uU7s",md: "z8yr7kpW4N7x4RID5DuUpUZOej9g24qw2zISvgn6Xxw-1739773573-1.2.1.1-2rdwm8kwe3El4cwQzkoDI3N8e8Iv0t6GzbIJCC0mzBIo6RIvIDuW3UH8cr_F4wGPo3cvsq9X8jVvj1dOr5ex2Ek56.Nq9lMJFh4dqbuCpiYaLMIfOmqSngEq43WWjYP0Ovb97LClRhQomNZ8u7aWBQyAVtH42OppDZZhgk0qOmgQduAXvOHj0osQ5OKOMlVRH1QBtt5GFtN59TtT9yfWtFSEdJwZhTH2H8FXo1ZaDKKbU7vzTLnDask7jQZv9PMXoIJ6NHfu2VF.tVd4_zhnEVE2mzbfeGPJJq0x0dLBl14Cqp1ALM_lKsxCvyT.r4Bi8ytm.96iAwirzVFIV0w2d6Nl9bKuYElK8aaDnucg_GyvT9Xl709yiZsM8rAwus6HqOV6czU5eZKRPUgyaKW8ncqLjNV4FlL2Yhxxz1ImHnymfI6DMlZzyhUd4669ojsVazo1D7PwEfGCCxkWcrOqd8K.kbNNeQ3sNIE5gA3cQAULQ1cZRGy99v5iga8G8pbdjbVLiybucYM8rGjHcZmWpqLtTedzGT9gx4BJnNOCJZgY3wFvCYdU42_t97Z4L4bwlufFzgvleSu3ejEElOAg2HmAfJRh4cd1b.tEO5pzbnoRSpBPX8fn2EMjzX44hz7df6AoQeRA5r3ElGVO4HGHA1008Gu59gQAsDNmyjktLgAlYODCH1LgyveJDHtO4LovGULpjqgRMAaE1OWcTGKaiKO7nOY8d9K0_luzpfqUFd2jmWo5wmYL.9jckxX5uzJP4MosIyWqM8OzWGnmZzioukJ70ijoK8RUD351Aadqc_k2o7AlqN232xeyoyDwxxsSsuFe6NZcswWxRjdWfhjgqP0mwC7ztd44DKEIed8.2NOYJq6QlgD2ZyyqN3yhtOQqE6wwLQsW2870LmpPKYCD_S3pfynV1Rt_JE06B7Sa7OkUHLZUCpwqsmrwkcbDQQsDxuwxOC2SHS6ag69s3P6F6OAWlneuJoCGMEozNxpi.XkUapjl22cX_dQ0F_j7HQsDLE3LiZ6y4nvaszboPraGtgtD6wLLZmYxa9Xu2nB0OizGAjK.x8_ukhP6yBTbhf2Nz9I_19wiagphA5dEKLS0KBuZb8gD8MFoYhimbfe8seBobEtiFLNyhXVXPboBt3Y9u2S0VC.3B9PV0yXNJaLXES_nrv8MGSmMouAKyCrQEbZYvHZNeqkjRNJa6oFmJ8sWO787jpoa3KmA03A8gaVJcuI0IWFCdxJPLtLg03BuYyvYOnvJgOrdBHhfWoqBAm59yApcX4MtAU11hPRFrM_ALE0BxaknYqsei7FA9NBzjudDHY1JswisyD1A9jnucE1uYBUl3MJ461VhlICDXLK_h_JfY4xmJ1cacqLFlrcVVTjr2FTmPlCa.6U8wkajU7IQqM1YMCdrir65l_s3VWqXzvrObXHWiVjcSo9uo9v6k0kC5AdunMMNHqRY6ermT0.ugQiU0cmaMBW48_A45sRLEHw0rBzga2no5BNoDXA_wIYlLm9krORGAwnfXcrhXQAVKdIA7OqZCG4_eOWTSbbfIAnxFe8q0I7OYRfzaGdBj6w9HUj9icvAu33s_R9SMVce2ot_n.T6p.t4VQkZVmSdoHsmLHAEG43cm9sNfNOn6RKAzNX5xKHwxwn6chh.qiKh5nUAfC_RXOGLSYib0subu_EiH4Yucw10FCr88zvicTjOWLeGguUpVo4QhZR0glI97dxAg0_XqGe8WL3LrUVMB7_uwOqGM28IyIPfmvLMg31PhAlaMBWssu6b.NsTnNUK7CWQ5yrBIUeDHsJ7eSHd5udAKgJfMwV50qHl5QqbYSv8SKqwnPZ_DFdWViQsDuJI0u1HC0ZZSzqSXglzNUPh138816UhVJxhQ3_eVO_hiPIl3Obp7vAQ2VaNzvJRrcBoddMcYeeJaYR5kiF2cCqpghLWlLit1vosjNDWEMSKzEnvdtVx0uQt8dlbSLMZnCbo",mdrd: "SZxKGbPasIFcp9BYUzPAbd6.WnrWgTHSqEDsO9leDHI-1739773573-1.2.1.1-HC_wKNas0hw.TFlo62wtkIpAYs.4B39DxaHTveK1yz2uO9qE7kopZrA.nwyuxKOfPiSXM5rtMt4SB7_GWz2w4G4mglRiTjUOO_689cqk7PjC1uerxt5xFJC06DuRYtdtyBRlGEhcva6gdsIgN7ccz92hpX1_iqx_5p89Txh4IjpKbvS9wgffHhKM4I3vtgIN.xUjTaGmdaKKIZuM1W.AJP7wBrlEbRL7zmkJYdi3iynN32dDac.ETaEI5mp3Qeu6yqbueG2YnXZoy4iJ9nDtk9uQGGYpcFkARkyq5o4n7wqZXQZPYCWjYwzJ8xofoLnaSLEsIABURTPA9rbE5U3AEGjBEzttsHfheEViaN4s24TpkPKNy2qMSPGARzswxX1WgWLn8.8EK0pMV1gpLiUP3WtgoPc8rFQLuhbhcKiT1rxvjzt1_QXwuYtmEC6TCXXoJb3pNyE30xXNlSRQvtnYsr2OnsYHX_xdwUIsO__v3CAVd3.DUuu1M6bNIFYi8fgPcnXXRo5GFpHtX6zdecsAHiH57LXdkuZkSKVt_efo1wKpkYPzEfUd1yo8kVMjmOMy5mcqHnqT6wIpn2QBgiaIHZg0IILRelmE2KwM5pTr32RqZak4OdXc2N9a2iMveyl0QvohvlhMOQljF3191zsEDmeccCgLvrgCy9rZ_GXiVD3DUOdGUyfZ87aY2xLGpoJWg9995ILMWcqgYjPkBywenjr4AfLuQTW1PtS00Nl_Tr51cTKqvzAa_thX7Tmq6KwktaKb2WHYGrNQ0yXeOymSP5.d2L69R5V5ngkAB7o5UttxkHfIpq90eOybgH3SV2M8ptnPj5y_yPRJkgopWzdAUX8rRs_GeG5kOZFKb9zC8.lRXuDMBo..ZQkw8zTdkUW2ZSfkHIuKmh301Bhd3e5tdcOE7VOuoKB6DZ8_AzrK18656eY.4PPstZ7bZcWfLlcjnQcZsQczsIq.eUtRyVvsUx8sPiAsb6S8mAa.PK1ZfkkuBdIM8l3zBkpc7fkmSrCYPDkhgx6SzgCkYF1qpYUTXSqbQwezZBbMunW4qJkuCnQ1d83R96qZGKpfM5t_KKeA2w9NrhkfF71x3PWPlbvLnmXoPECnvHaXIrGfKVc5V03p2_Sj_N1XtFXKgJTeVaqV3KBGpQ2QvUkiG5BMGBVaSNmQVuspFbHf1eGvkSn3pZ7xxKfWtgcrOoSZE7BK_HicA9euN4jQkvluI4jJ_GXSJdFGgJkC.FuWZ7Gagf8k..X1KkIiOacGfJYsPaWrTzFiQWinpd7vIa22YQPU96QCiPSfYeDHGh6E0Ywd9dTKsDgMvigIcp3ofV4I31I8IKDSS3TGcOJYHP5dgniPeff2twyNhKpmwgSvius6RnqAl8Iuj8GbPPVCCuw9JISvI.3VIeDmagCH6vSQh7_wZg8luLQsibjDbfT1RL5SgN5MQi9d4lIi631d3nrg8.YDPsk1rrRTc46tcx277TI5tmfCi551bYOQ0_Jx04oi.TutUP6TSkqfQjWukS.Q0hsqtAEtx3CrvBWS.VthJU3xvzluK4kJe20dy1vnU_pjv733ibSM9ZHppeiZwnp2lv38e8fADgWkMJcdxZEyvPLaSXWdFeQRALskzjg3QINQCSVdmQ7goc6Rc_z.dZO2wNqXemy1EeNCj6l8Zw9fyuPcSdJ1OY8YWnuDqyxuMngiQLIG7KPZExHBs0Ut8UVizVATVj2qpSkTYC5qRfzcs71SgX7.5TUFcO_ANNRRfDOQp6oOMugWIMC9erN9sfst36_1nEsJmSYT4KDibyC0TO9SzHMnlkwWowtWMN_QqNNDyFkyxaXLIqS5MAoj2RRV5bg3F..t1KJ8.XdL0gzyNGX0wJ.lZgxWatzzxixn_Ti.HF3HtWB_CzWXuPjnBmhN2l4ltUNPvzDyjwtQtvsNYAqVvEOBVYAwmHmbB_J43bFT5LUI2LY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9133b4632c5787a8';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\/listener\/create\/11529\/9251?__cf_chl_rt_tk=2ppaOIHDRS31o5OXMBlUMc.yyd5eiX7EVD6I_aTT0tc-1739773573-1.0.1.1-oWpvG6uO3y8nfMwmZWfN6xl0l7dmo86skYvfxV9uU7s" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>