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: "publications.waset.org",cType: 'non-interactive',cRay: '914ab2aeea8cab50',cH: 'LDoswWOB5PL4oHQ73rRTQvKSmxUEZfBMPODoMGmZsV4-1740014676-1.2.1.1-89TVxiWHDj6OOsG89q2R3.3.86Y1YIpvMGr8Alu4vn9_1Yiga.Jg4OcNrIBehabv',cUPMDTk: "\/search?q=Aikaterini%20G.%20Rokkou&__cf_chl_tk=1wGbuDoo980OqQN2GplNTWawkOoS7qE7ocJXCB1ufDc-1740014676-1.0.1.1-TwlPTI8TRB5LuXcybRJmsFT5fOk31M94rX0SXMSv8ok",cFPWv: 'g',cITimeS: '1740014676',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "unsupported-browser",fa: "\/search?q=Aikaterini%20G.%20Rokkou&__cf_chl_f_tk=1wGbuDoo980OqQN2GplNTWawkOoS7qE7ocJXCB1ufDc-1740014676-1.0.1.1-TwlPTI8TRB5LuXcybRJmsFT5fOk31M94rX0SXMSv8ok",md: "6ov5die_pWhAugKI2YryMGNihWjkZ.5xcR3FlMyepV8-1740014676-1.2.1.1-rVz8sbAcbfKCJ2gUlOKh6gx34zdAUUCr4cVrtn4R8ygymCmWrnbVox8qVvYmf4s3oWyCF89duPcHZ_u0dfwGphXu9elavdMbo3hAFV7lsin.3cQ2kjaaOyba4r3c3Mcf.l98_0ViZ26qC7zvL2NsH4ZxVBS.mSt7uf9ImqMN7lJHEQMaxPy0mkgRmRCQTXJGWj8T14JYPE1AjvwxtmjbIJ_OpeYzY6zO5YVV5HVvGgQmhzHPvI2rhAGLXDtqSn__xiZ5_ihcjwIz7MrJHqMbkQ2NJpcN6O1eWuG0jUM8ReBwSSf8JAsj7mLkbowmyPj7lNY0cEl48FwwW3lDb71g0OYI8nNrv_OS5L1.lKn_e8bJ_FPXGOYfglSnF8Tx.sxArEAm_mkvT6xFRjD2Rw1KuNM72JXERXVYpMhogRgdYa5DYd58ARHJd_8_odTDKo2ZtcyFvpo98AC46Z1yfRwHUelHPCBssYhjrRJ_L7.ywEfV2lJZd0rHjUSyFLgYNbDXQLnhfFFr6e0I50SMN8C_QZoiXt2I7RTIac9GxhycU2g0bfcbbx1wgdu5HNs8nSfCgCDPAzGAygpItzDPd7AEfckXhIOOrDb6lgFupfFVO9ieE9sG7aUE48NteE190Dw5CuEjyOFHJ61pJnXjDj6oRF9QaxrFy474E4PRcGmQPeSyzqON2s3V5yPwt7dGyFdQTZS7ZcrsU03nCc4jbI9ZpGx_Dn7A6GO39dOXRsivX1XMiAKTgWmZV9xvO2IgXrlxDsjElUoTK1qDaypNkvn6mgPgoNby3uqns_BEzhpysPObLoXkPLN23bJCqGmEcUazHvsolGkrfb6JFVV1Qss9rXoUnoCr4Vgy3ZigP7WISaWo.9KWG9ovDkmXQJ81Wmy0u5ES9TLkOamKjnCcw1MPweHZV7IlZeGS.lAnPVuoGFMT3ToEu90LWRycs620AF574WZfoVSfvChV1WiFdYLPbFEzKwdoaPYYvNdYAhvelnr4NBBU5zCWxlpMxz8LeOrXLJXtW1Zs9NJ2FUEjkxDHr7jnRlyrb9.uguyIsGQCXLDkR.IDRM3m0kTMAc3CZN2QVoTgqv_TlsjuZp2d3ZNMdmIhgP1TyGc_8CM7KqBQrVzqLwHqUTwAEFmKcNVlczKCbSG3fSMByurYKMtXkSMJ.N6pynjEMFMFfZMNdzr6bpRm31DJGCzBug6vY09wS7L2i._tHNeAOt9j7xDrL0aKpnzUBEMvudobHl2EtxULw6U3zdyR3Rw0mpfEb526T3SVoteArr4g0u8MLrGsdW7UFnsJCTyHogl9RbAQakES_pDyyUM8Cqzo_YV07.b7vs3olcm.0fY0v28CnIHwVNjABzms8IoNgpsB7rJlUrEsm.3xlK4UixGi6eBnNKo6OQa2yqY42F6AvodinmFAq87DPsb_Cb7qKdpgfOmagpJpftRgLubyxumvOpK4arzbSC_DTsmgP3dHTqHj_GGU8yeOZK.PiKLuWoWQkB0G6n_PovD70_WcoWhCFey3qvQ9RYSItT5rKGhqjvSI9Kn852WWdiZ7YuoJ.QLnycVwCrV5GUjjNtIS3ioHWJKyJ7Yx_hICyHccF9bYP7QiDrRrLLZovJ5LzrfvneSsRfTq.wxXLBtBkEaRmWk_iFPMZpTxj9Ibn9OPNst0LU01yh7k2Fs4XAFNx_vGNntPtNFMvUOCAZrNJB32_UvVAzbC9506wQkvyyXVFGjYb3z4gZxuLVB0xN8yU69OHgD5lOc1e8KTFmdI7iAkMS2vPaM8LEa1gkbQrrFSw0Vt22i60cXlNVf0.QJ5yqru93ySh7QFjCKSRQU80SDgJxJIYOdSbMXBG28S05iPbyKFg33xAwrEJFDOKpgZGinVaWOGpm9DsQgVZL8JL3de8Gp88RpjMAgamaPoIDgqCW.uggLRbnQ3NQiuFFs1Mrgo1sueizXHq9PFFLo",mdrd: "sqDBGakxpiG73Oq6xFqvTDoub7Ij8B1y6YZtzMezXWw-1740014676-1.2.1.1-Hbw7vIOGU7EfHw5urldE8VBbfC0hBwbmTUtZcNIpEdV5woPTOQI8_LRa8iiY5Tp4Umys.9IUpJlRq.Gcq7XI9g_8.rnQ9UVA7W1Ug.OgQbNZsFlhREsWLYe8bz0ESNahXgrtxDNP40OK.J8v_KnCuLSWSRwQmlV5CcuPDjfW7PqSt0fW7nI_94Q9R72Eak6T4nSsGd5wQXEMcDt5X1ahTmPKs6YdJuputAaPmGpFO5AiCO.gUzEtH7mZKVWb8Z58iOjMggNlLPPGu.GehlW6oFwigIgKJ6AJYxZjnClP4RbSE3urVY22Hc5a9k1boHQbh2nS53XwifAw3clxeN0SgW88G.gd9CR6hdCNBJ3Gk7jjJDjHwF5A_aUWMrLFR41WhQGduw4cm7BnGshwVS8ycfRismWDYdDxno3kvqVXOIZHbSmckqUjR1j0bb1kw07_AMgL0urx5tkcXNMxPnxYava1wEPSI0KWUAfZbas6NhLpzqbcQkHKb1Z91lZq6dHkmlSb7cRiaGNHtuMoSZxyr0QnxORkkIR.Qw8T.207VjP8aoi0segcTQUOA7HiriqfPsuJnejIY2OcMTXsWRNQbybLfygveMKlnVjq1kB796T7rZnE7t9KbGE7f6olM00Stzio_ueJrQTcyxCCqucGvAo0XM.kBpOzk_WuhWt2eWp2Kre0uBWlawDhMfnqdsxBBG2hKuNwPfgIuptpw2BgQ6V9UTBsye9Kx.MC3Co1eg8hwWCUtUJE0RjAvu1iXXpvJeYhhvKpUlGtAm6o4VfwbNrYWK9KtAr82kqWgAUrzPFXOXRvTzyS2vCqdwAgZIMoeMuzpp7cysw33Oje78cyVllGJ.HOCympsVQuoxNzaKUj0.ILgySJvvtBYnGgczDluh0kCEAuVgx4ytqFegHbuRScYIHu5P85bSz_sLJgLkQu7.9J74JZfMGs5gmSQNxNHYuyeLpv4mIY9XDcfCiOITx9IsZITUOO_wn8Hom4sq6G9msb.Pam_CFbeTstDG7F24sJHTO9e0fGuRznueanNNyGeEq4FZiUeg77sw3xOVS2VCtnuReonbt6V7IqVvgzS4feFvnWUofObFkdS.UQXVTk56iAqNteeftShxClZFNqmOx7GNfiJKlNOIAsSuI3bPyyq7rfEk8XEl_VnVpuYyVmLQ7gopUq44e9KZCxnsDMWR.yqSUnmlQrsHNQp7TcXIspB6Q1PLQYKSQawMAutfnFogheOC3BWInCVwJNLuKBgdE0wKqLv9O6B9NPKMNQBbqIeo0_O9xL6DN6qv0l37.vZ6YaXBingcWImhMTatWIvHDtgXsGElJ0..vuR2mNMMlSKV.TX51jdNh3PznilXGNGa7pqu79fviEri1Gr.fS392H9huUmJTk6K.Eqn.nGa0TRUKYVMCc4qJ0qlpgwrjR7e8qGBHaCqtpysWEY8UpZarGzxs6qSLjqAKHbWjYyTBT4F0uCzU5jt5jGfvBQiXZnikvCcOHmOr4oZW952FZJaYqo6BCeG07IQv6E22Odwy5q8vIYskWT31kBpCJfl.0fgVBfgpExO1d3at8AtGvaH9oAfuAfpkL3Wu2ychQzPcFHrPOO_b2tbIuD0fiUHdxM.sfxFaxQ3V3jWsWzt9YG6MByUJoN6t.BKAVQCaJL8SwRAc7zdot1du7pGH7u5MG7A888jKomkVQvycpx35noFUAN7ivv1T_GUs.H_iq0_eMuBTcIK1xZA.J_d7LyPiL6YRVD24mX_sNA013bDLeyexyI8LTB4YkJhcqBx5cYQUGIoFdz58FxLk_TLQKG4zA.AGVEXbdcDpuCFdcxP1fJyOb_BRSV6bYEYr7xd7t9tm_WF0o3ljpDZtxIdj88OT.3fREebXqqvczAXgAl_ROzu__evQauU229fcIX21Hk7mtWuFku5jdVnHkV4QGAZf8UphyB3DQUJZvuvOqqRI9bOMPkUYgA0D4It26gqgsIOB2fycGiLcgFlS9g4WNdA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=914ab2aeea8cab50';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, "\/search?q=Aikaterini%20G.%20Rokkou&__cf_chl_rt_tk=1wGbuDoo980OqQN2GplNTWawkOoS7qE7ocJXCB1ufDc-1740014676-1.0.1.1-TwlPTI8TRB5LuXcybRJmsFT5fOk31M94rX0SXMSv8ok" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>