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="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: "journals.sagepub.com",cType: 'managed',cRay: '9219828d8ca3fd73',cH: 'HpUmB.mUYbem25n3Vh8SZzYFeYrj6xXnk.cWpnymV50-1742183257-1.2.1.1-m.XRdt9f_YZaGfHZDeV7Lqj_WXEzzNw7rK8E0mNNt6KZ7TG.Hv84ZKKTAB071hWo',cUPMDTk: "\/doi\/10.1068\/a45620?__cf_chl_tk=RwMb28atXCXnPqU_mPrA.b7B4vA61zxRsjxeFXotDgo-1742183257-1.0.1.1-l2JZFKLnEcBm18Hg_6hNlD8kU9zYIUL3tub0_B3KCVE",cFPWv: 'g',cITimeS: '1742183257',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/doi\/10.1068\/a45620?__cf_chl_f_tk=RwMb28atXCXnPqU_mPrA.b7B4vA61zxRsjxeFXotDgo-1742183257-1.0.1.1-l2JZFKLnEcBm18Hg_6hNlD8kU9zYIUL3tub0_B3KCVE",md: "NXqM35FRjrTIOnE2_kPCasACL7JTnYA1SzxgRcuq.ug-1742183257-1.2.1.1-0L4PTXKvcEmvoSkWK0nejLiu_xGM59uT.TJ4D46zF7s3Bw_hWoaYb6NyyFhU7muLGr22BLqcmw94IKZsbQeqWYgHRUWUz6VqVluuEFWg2vglrE5jzKf5D.WamoxlXvmio_4uNUU90ltd0NBoPXjukKj.6DjdgeppblR8X01qJRK7h6GTm156V77mKkce01LoEPB1rIsG9W0eNCg1in1zRXR3E.Y9TfRXwBqJZIBprIqtL8D8qQQ7jR790zCYfC4moA0vXFUq9tzjlwHj4KjPzQKg4.Pj58lMCmVwNZ7D2q_HkpqsF0RWNyTS_HMD03PTiqweemXB6VbrXscs27M7Jc1NUuWlNrL3Utlv.n4bQFGmIAdEBobSMIJH4ocvTL2m6vJWiYLdF.JZJfgySWelKHxV1fZKS0P60BeR4caXt1HOGWz39i.JNTHk._dgySqUSsmacdtcfz2xJ2kVnhJecy_6JCeQoljAQrnSssFrnof11JBnYWXw0ZPczb0YPl6VtDymTqNYvsNJ6mCXhdvHCkPZ51BwYuDnBt0ZquYhU.IR3AqCkC4V6Ersy6qRkvMtZ8cn_P_tjL1prQnhfOTEAJUeE1qgWXpnEXPRNPq_I.Ir5eyv3m1FHZ9dvPE4bMOLPKZkLUdWZoCxI_fQcY4f846i4XZbgjcrHkEYbMi2U79x.MZEnFXJPMt6R92rp3uymoCkC4xLlFADOFNL.jEkVCXl48JHOqLhMZ4pJNvwwhOxVQAov_LV6waKDsxCUFvpWrBDeXKHWNrIcMLgjO4p03SNNJQ8PO_NGiKOoPU3tfVeSkFh04hjAyD9HVJTzsiqv2mMFpAQNWDQUw4DkDE6l0kXHl.gOhopBp6xNnFu4q0byOVOI3yaCZeHSvRvBNqTch6Uq0grlrVM2JNDY0JIehX9bHP0eJrT936wuuWVO9o2eaDvQMrOZsUMMho7XWsMsd00s28rYY8FxDT1w6B89LQX46ZK3xtXqoWTo1hU4vZmQWYt2jn5YVKzRze6CzIu37oBhMu2ZUgKk3znB9JaE0nFvsTAKrm.ehfOPPAdKAhlCuNyGdcTgKDu2gRz_8ZDd5C65L5SqkUJU2JFK0oAidcfUX9fUX1Gu0epnBTj4SXn6GvFgBaQOlQ.odXj5IsL8NqR7BpR8XX5d6q_.3mEkU_.iSN8pxHKH.DH.hR2bSShAOvQ_sXnk.evFtCYB09ed3MvgZV2PnvyIkL7wVv5bo3bhBraG11XFZFUR1JUQoawbAEEfStcSwKa185.7bOb",mdrd: "6H6tTCyyRmFeAEGqiRQDFLM1NVuQbZgWudEc7bqswf4-1742183257-1.2.1.1-Y4vVOFtMrhwxJOd_YzQeVd14PLCyfCGWpvuMWcRT7mL05TtmBL6Qfffd.Drx.yM_eP0JiW0ed0MV3Li4SIo66vpvQy7LOeiR2UinqG0KUPxQzBo3r1y5u0qD0Rd8Buau5xdV7kyy1rqALfWHOZRWeuGKtkOzbgqM457z27o7win6m_lTBafDm6f71mP0uckdHaidpdsRXO0E06styYYlKw4n0I5xl0h3cxpmTZn2SX7EjEuQvwSGhiTwLMJX8drdXeEPCejbOnu2w5cdSaKtl2fHciBlxn8K2yIbaRD2ZDfZVcUHXu5zSTwLVWYqlJvqfVUPxtdbWXl7W6qTQvnBMx2OATGO7ZFoiQ24H8O2Xe2Y5tLyDg1I1dpCrGeef9sIyG5MobRWG.RK.uwt_GHw.GKdcn0I_2nFq.GvPbAZxWFyq0EsjiqsGfhuYCMqQUwnVSeErVzSfygABuaZHrjvCkl0AMtrIo2tyGbBPqjbmJMaTMFPCF4zxg21xfwwJ5LlUv30jmTK2y4h9eXdn3S6muwW7SSy9NzyoLCWQi4CtJKZdlcekfG.fcxmMy6BIuWwAzaSS14IhK7DL8ZcOQRsWOR7khBP0xypK63jmle_B_.kCVA9HSZ3R9c4nO1JWmp5P_0ra8.WMPo0hATEgzHz4_1Y5yio6qRJkroIQkIaTvi5WXWYkCdUgrjGou5aO522zbiayb1MrRAjTLHR0UIwX0kZrfl_rmrxdrX38ypLTwGFB0dKQXFWcGcyiDrXn8D855dHadgoWtTdDNKb3kfRf8.o.ky_Qvhs7.ZkrEoF2HvXPpAhA7hyBDaX3zqCuD.ITGKWe8ii2ztt0dcDAWSf3PKdQ0FbmIIs67sx1oW6Twjt2xlRpLrVyCw7IeDcfnmKoeLEhiGPoa02ZbbNvK6e5EB1XoLvCEAL1nEpeRUgkijHTbdkjtHpHGbdiuGxMWsBcCQkly1w0PvD1_BgiZdAJdfTJgeS6GUj6dxtfRtPu6TaKZ8vpR5obK6ydPEH945.Mk.YaHtU7Ea4LgX6_IkgVvqdCHJsue9b.T4sNHM.wPVhKVk.iYfK50J_F2OBiNLP8JhX6GRbv3yrm._7d483hIjHlaibvnZvCemyNejZhkwqsfGFyc_QiYnhSKzg3x_txJ5K0ZGvEmcwS4pdYscwA9uD85nMaahu5nD7CGDx6YvxJHJ7BOi6nVXt3L.nM8V_er0zFIoJKtfGJ4uw1w0bDij4vVMFGzBzGnOpWZlAfNGEwVo2eJAxF4B_64dVUtC9pFuuDqm5KIs7IdtqVSc7_pkldEHzV.iMjw549.UqJtbybxWjGsrl1lJR.sxRtJ0QaGuYr8RjANHyJLueESOM_yYVw.n2hsNr.Wiri3SUQwj2L2yfWvcoRCfobAFWfAouqBH.gF7I5VkpSov2ARKMSwuqsbSgxyCM7J4VYWB6EzFq71NA.Jevj74WvyfDmDYXN136j1gn9bNCBhMXtBEKUCOgAHcZD.oSxZP6ZdL6bLE_xNA9g17MwyCR1mlONiVcAxB5ldCPkm7tbRMwtHHhdo2EdZ8Yrq_EERqhPBxKJbuXsr2YH9YDBHsjqx3Eg0.lTWttM49.tHSOEI0Ebd1OSjkeM.rG3YGyG6iSjSMvGXJlcq_g8xVw6AB6ruRYz1K9kjKEXGG0IRwGZXBPY9ZGHDY0NKUbkALYKCL5_Wf3jGrDVmbMK_HrwX9NsjXApLQHjLpD3tiNc682ArWC6C36Tt0oZwB44xSLO4j5BQ1WIX2ltBLMKCprSFmPGmOUCNvjvU02d1Dl6qz4MSnh28Uyda6kD0gewbJFmaUA3guto5ij2DODgKv9jdL2XI1YuMmEA6YhzhKAH6A2t3hGG2HSDIoyXekoVkfH_T3g8gAOtA.7ZqdLCSiCx.rWZW4DrVtRT7fUYLjtoC4oVmu39rBOj6yTp7241Bjq2zdaBs840JkaRxh7Js48g8cYALjcmC1Ya.QBKxtoaM7.XUV_OSSYm7d6i9DeRlZdASg1Yr3JsF14k5R8tPdpCA28qQsbHt_CKbuf8Mr1rS4tbCm1C.bjbQZuxBRpKPXcv.PH9hmwMTI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9219828d8ca3fd73';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, "\/doi\/10.1068\/a45620?__cf_chl_rt_tk=RwMb28atXCXnPqU_mPrA.b7B4vA61zxRsjxeFXotDgo-1742183257-1.0.1.1-l2JZFKLnEcBm18Hg_6hNlD8kU9zYIUL3tub0_B3KCVE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>