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="390"></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: "researchportal.helsinki.fi",cType: 'managed',cRay: '917c2b777ac8fdc4',cH: 'SqrYTER8YWxPZj.He.q7CGcxI76yu19xNU6ibj5iUMA-1740533425-1.2.1.1-5QwOf4YUeODbSOtqohynV5mwa4YmjvyAKelDXLDL71InCftxHFSrD5OQm3926UN2',cUPMDTk: "\/fi\/persons\/pia-siljander?__cf_chl_tk=Vg3rwlm9JcK9lAci2pqrBjwUzOsNR98X821krPjtJIY-1740533425-1.0.1.1-L6stzJIaMICv5_mOieTOi5QNngjwL5iq1gIK.Zqdz8U",cFPWv: 'b',cITimeS: '1740533425',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/fi\/persons\/pia-siljander?__cf_chl_f_tk=Vg3rwlm9JcK9lAci2pqrBjwUzOsNR98X821krPjtJIY-1740533425-1.0.1.1-L6stzJIaMICv5_mOieTOi5QNngjwL5iq1gIK.Zqdz8U",md: "DoipTtsYQ2JORUNx6Az844v41D7fvn6CJDtzA3l8KsQ-1740533425-1.2.1.1-vSXprz.2Mq4mE1L0JhfeUoDghOM4NSrzeVKMHD.ifRKk2HqDtFzzoCTNbufaqAxfcRcu6PNDaYzBqLCEFUjWd_HJM8pqX2FpeKbgOQWaf.tElPxNaVXTrTYvqp91Rh7fLxXekaa8ej2In_FCInslW3zDcSv2S83DTKqLjwI89vebRBa.keWqVZeTY_SmjPSErT_ExiJ2vrJ7kbI17ymNwEz548QR7zU4xN.6q_8jnfT8iKTfy8vdOWVReIrIgpjGMh.kjUNB.fEmga2phEIGwaGI8VgJ9BofFWzb_OhOxDzMacY5EPqu0SRTE9t8gZS09aEzeU6gTm.z8XJlW43uq7mfKAMQr6ugjFjwjE7NP2xs.LKakTh0nLD2b9U6R9EoEmzsYaPwmiawGokqXqqVPYFhQJJsupzbIcIu9H1n.KZ0IwlGuHnDwxrX8C0IJdmQCDb40XeLGo7w6wKlRe3VTDbUB8.Vj_RdhSrCe_UenuAIpWsRv5cq2yLCYBGSt8FOJmwlYSz0IvRrFYrqfo5OJfSwNLdUmcg05fu83bZOO00if29k1wdA5JLcdhtPtWZWtsO47nxsyeDhGxxpOrbl3LQkwczN.Zn7J3JksyxlUIhz11whrVeW653ullZYhT8Bka4IZSkT1deKkTJRbSfhPMexDiXT8_8AWNuNAWY5k3ODAuklsQhSj1GIVVbb.6whQplpgrPP.Axqhr07XmF04nFfxcd1YJNCVHZfq6FiPpJZasbP.E2FGgv4gTm5fOyQ2FDaeaB7SJqiMkPeT2mK9YbmNAnAGXey56JbU03p6LKEmOboAMnYRaqEQoUNn2J.WjLsRviwrnMwj5.rW7kkcjApuTb0PCyk86mYsnGdzxxZYnNNoDTbuF7k2G2YgPBA.Yop5Nbh4jKJeDfyqtQfrExvKmKz1o4b04LBTC8.uwtY5v8A_yNkw63rhWIw6Wg9iSTaAVfKFX3TTe6IN34LBaS6iRJ7Y5o49ztTn7P9BTx0.uZAiAyOTQMeI.wWvUABB01hdkBWCh0fZAyJddNLfKW5wBlyZWc2mVpam35guCiSEu7h6sPxBUkpDMh5YlJU8ai.aTcDgari6cKsNuHavqvFGXu5pVqk7A4MoG3XbVBm019mHNON.LLpPDlzaofCStE0XvAzJ.3cSxgGjEEAzGoEeJ3zQaOsgS2Se3DuSfZoFb5NCTxcBG0EhJbOV.eiWWjEEzN.oFZi4kUHhSrGw99Zivd1sXy_.4amGstPPS7UbuhODT2CMi5.AWGvONsV3YV9VZRAeBjvJbvi6O7yeaMaPP.DmuV9lUJ4_f6nwawcDmZvw1PKZW0b1s3HtpFD1Q_kyx2DwBSwSYxMSkSYzCEyBHIQHqaUzWGbBMWF_CQyDrwxkWLIJm5ZgnN1_E3BTrbyQLsrkcCFGHzVtOardDZpXSLyjC6RXCRn1rvIzlHdkIwDuhcO1wDVNoMgoKKn2Eb8qWQpMtbCIt4PBjkGm_VMhKUekIRyHodh2dy1JhNrnDoOdqbOA_FfPdqC5qxATXAL5F4Qlkc71GobNg4whTEEktUWdaKwe_L_mpVoupENFwRVfk83gl5Z3Qt1Zr8DBO5N5m3qWN.T2PAraqBfo2Vpk7b.TR8fm_TK8e3PXuNlm68Ugx5YIyays5lxQ_hIRokONEo0H4Np3v4c_5zCIYV0rLz6RvmP1uI8YdfFgniTnKDdeGrIp1PERViEwFEwCimM0kVvxFBDeE_7L3tSE.tVkr6VG2.AHJTamLyFeFj6MtGPMqWO8EZ8WwRDOg5Z3mectEYbIc.MA4hjP8hCOcZjXE4jHkGiPFO1yRj49ehU.bu4VtxwhQuiT70.C65BGXOAJKjaGEuJG7ZLWZ2RYUUB7M8.AS4Sn3qADSYpQ9xhFd9jO1kUiEs7CuhuHUKVlUkUJgnzPQgsAHwuNKMkmJjBzTRCq_F9SUgr2tS.mTtCY_6ZJpUc_z7dCBiYJKcRbVPB5WppxsaebQufvlL6mnWEcfHAXqvFK7h54bHaK4edXtfsA47sCau3n2ZWdp50C1bFYueVJ89YoJf2hJWzwZ0QSWpWOe1WXR8rbPRox6erbFvQDFDyqgDzc7ul0t.QDgi0bqmYlrgiVFKRBemeGXwqJXzeTDZ7ufx0axH0KXS8Y9bk8XeyUG3kU.VI7gVVhrizNtGvcVZTsIQqwXhybkQVVUTBtvwtny0xLc2rDMERzvKpvB3ALo9CN8LT1ilks4LHsBMHoMh63oPe0vCJvkmtrNBsi_0TiWVUwNCSlawyLj08cbJ3k5tvm4N0mpGsaFY36PXAi1RQeqWBnx4WA9U10dk_PKpQE_lhHx1lgGtvc7.3kcki6A7fXwFdGc9LVIvLCgxGhUSBS33dniXLj4twyPlakjFGWP3zNHyhKvOhyTDZtRW8ZBMObobOhUXnhrAK2eaWsKnBy8Yz89hf4KN1FTQjDuMolS3ocARnZvPc.2es8MrCzsBhmH9jZBwM9i4riCiBkL4O6NxXp1B8YjpIcIg0JrEjtHKS2OHUpYVXjNf5HJgRZrTPZgtdFw1pMPsZU26yMbkpw5zOmPzs3S_XcV2bQPpqjGmcGXrDszE",mdrd: "xw_IL2oIeo94_FdfkJDu52plAYzGtKrW8dR0XZK43n0-1740533425-1.2.1.1-6wXhJMkwcpPb3uwoK8jCAcNwb88es3JLziGdrkCpEQt1hzoWFQQH4LASsuvgDbQruWAph8Fj_MvPIGB5h4GdXGOHJbF_YrHiUNnY7Gy1k4Jk4x.mhEPtWwr1KY_qw2T0fEw3HhOZRd8H2pApHatwlQtq3viytUlU1gWWDMrf0vE.O5AHLLKSGiMlfwF.4fufYXH4FoPBiookTUCMfYxTnGncg4esr1AWCYE2FLtv41nTvRyf0QvcHb5lbgSG7uLOL00OHEKKgMqeQF2p28KgQ7WRkVssO2eC18_02iHncj8OCEh.JgA0hL6ZQhokRzHkBRVe6ItC9c_mINQOCAUdTbI.5ll_A8.Y2zOPDJcbfpksi4YKu15lNChSshVg1umid6_HvLdPJM.dFNbRxEYeRQzYN3Mpb2hNxNcItG2uYPYytRVQ0rgr1cGOWT4ryaHARfUzFPBQIQJ8tWbi2oEwOVDkTvlzl_5Que2ue6LKsWTNvomsEHkrb6.eIf5JCpv7pccl2RV1_viztbrCnRWRiDirMldqsgSwDPf05JP0u4c1AM89mjQobsFUP3XfJgQNz2sCqkD1NHWhwI5irlLWac6Mt2H1d_vmDPgES3WPggSCSglPM4T9JwxAXNKUH09kVLhllhePaDObVXauonAwo8nc_9ES3wPeIlcmfQy5U5PBVlF1tNkQljjVRGAyWV2eAMvYHpmYLvizB.HnobNmJUcPezyXSqSedUkY4fbwqT0w458.MRt0nS.APpms0ogiFMyuTARTz2JGG41QPyzamDgjCcxSQQZVHiaLZFewMN402f_NFhOPTkZVdNjP8PdILpcPnePGe5yD6VPwwcqlb.LRKcmGoxOphyJHRdkQoH5xNvK.nHH1lokDhoqqMBTylwujg9ie77MdnU1HI4KbluAUnenjYH5w6Fbas1kU8VsVPPJVpGmZXGmTiDxbVpJLsBrlGISGzGLTTIEUaHjZvqipeH3JBNc3XHGTagLNbahru3K49YCO4oufR515pfBIjt97qErCH1CRdhQvIcpQ6mSUuk9OYKyPB2P0enOzJn0tr021w.CymXJD_cv7QH3ySuacipzjWTWkT0WuKd6rRi2J4dghIJlm39VSwA5rw1ktMFdJcTTBFY8WeheZnhO8_TIcGiMDbbEcZMZXFU8t_oV2zi2TtJoO3KNzAHTZ50PspKq8tCEOSiEfLejQvvA2Ai85vzkrgkt.WCBfSo1xhg1Ucv41adLQxwIksppW_ZI5ftxEqdTjzfjJue8Y_QplIoKKKW.sx9riDy6Zb99XzQ6WVb3j5nZmF3AJbv9feaYdO9Jj9nsa2XN7LigPTbg2F4BGAsBVxTz5dL6AEhNXn6ghlEVza0bFJdEjk5unwMCaPxbGEgLxTlTbQxQkVTa80N.ASdd3iejeRhbnAUavBIa.Hw7IyuWi.5jGjrhx3_m1ZdzDkealjds431FXLLhIkjC.aUPmmsJtQWBj5rg_cOWEg3LgJ5Sztntj5s5hfFoXGkFCBGWtku3z8mzqMhgU4j4gK5O2zYVqG3471es6Z_QA6xF4F81gRnnKFGybqb4Rp9F0MrjqimqLWbj8KNi5CkC1WRn9LeXqozIHH3VdeKqAKAT2SoMnX3unsuaKB_g8eH20ETdwz7oW0cLm5grpDyFyrxsLHKhowCp_Hsb_quYq1M2RDm8ElWK0L0JBnzK6MjLR7q1tNcZcFNRR3MpsS7mLwihQM.3vBSx6E28uCF26CRoJk82oMAs3K7ujxqWAOlG_S9SN7P_k8Rm7mjnrAQz75nnF8rXn02dX9xDbcr2fJJpvsdyVI_ZWhVFPEhSTWrTBmK54g0QZqWXvEuJUGMDr.8rKweIOJ0EbHuHn7ZOtqIq9ZL.uXcfmNs.gKKasEDYwVfchHcUe5j319XpWq0VqvS0_ACFJ_18SYyVmx6JXdrtqNrH3WHUYMTXALyvc5o2SbYkkzSr6NqOy8qljSEYamKMAsrDEWVV9Nf.rdg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=917c2b777ac8fdc4';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, "\/fi\/persons\/pia-siljander?__cf_chl_rt_tk=Vg3rwlm9JcK9lAci2pqrBjwUzOsNR98X821krPjtJIY-1740533425-1.0.1.1-L6stzJIaMICv5_mOieTOi5QNngjwL5iq1gIK.Zqdz8U" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>