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: "www.liebertpub.com",cType: 'managed',cRay: '913bc3378add99a9',cH: 'xRll9iNrMdD6vIcpDcmewpND5yxnrEuLvCTTAT_0wOE-1739858067-1.2.1.1-ZT48N2apefgvq6ZmS_hfwGqPpyJd0o0GfDX1sfcXwW216_F71oYAFS2lVRLznGA5',cUPMDTk: "\/doi\/10.1089\/thy.2009.1599?__cf_chl_tk=9tqc6RThwwLvtXGW.KZnmXQe.jMZG5fwZStKdqXw71k-1739858067-1.0.1.1-DLdGRI2xo3cE1fmcDOUHqpc4pTWXHmKhtKlxoQhD7es",cFPWv: 'g',cITimeS: '1739858067',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/doi\/10.1089\/thy.2009.1599?__cf_chl_f_tk=9tqc6RThwwLvtXGW.KZnmXQe.jMZG5fwZStKdqXw71k-1739858067-1.0.1.1-DLdGRI2xo3cE1fmcDOUHqpc4pTWXHmKhtKlxoQhD7es",md: "l.vLSehX8EzmxeBvy4TdowIYUMVngjHG5N_KbAgFpRQ-1739858067-1.2.1.1-Z9UQt2N.L8DzoKFfHylroX6yfayDcsUOLd7RHM_wYCMaxovS5.KgHnQgIjV8flBwU.Ty6fneta.m1Y3iD9HJQn.AztX9Rr15TCK0dIBSeFVn2_n.FaSqCkekA6btahjWgBwJSo3zAblcEs_ZF6biSGEC4POHowgoGDRJIQ9XpuXXd3SFMBmFKU9_JWBsgh_bUhb0IqpLB4qOfNMapBpjom.zfcFK4Vtu0YKIPJI9GEfOds0Yd6XtpUW8jXvieWJAgdTrx2G5wpYKpFJIXj83KH3FMaYLmbUG.toIJD1CADSZlu2S1ah1XZXaH4Jcub1wHa6W9pmPwVzg3Wls0zhKxYt5SEjirPsm2s5tystMay9aloRznawOp0sAtHxrT6kagrMyifYcojHjWg6SROVFRRgeu24Cv05OGTwvZ.DBH_gkpsPe6buqKl.lowwn2c3oQGbxouSjdhXWulrXXUqsWoZlTUyCnWv6vz7vUgEE.gJ3tVJ03X6xQptENYRENCfcog9HMXCWYjBKvHyF10bgPynMqAP3kp4XrH9yRjkhSAjQnaM2ljT_fqXS8auzuO2FSY0T.nvNWygZ0PueeZtr97S25IWknpzvX2F.5ZaLxTv4SeUXc88i.odjwzZTkYZSef3dx_tEvqEJiIYsrqdlAHtzGBPL1uP1q5l9kUHho_0Qvkbs7IQ8O9XiI_fjwUKf.A2t8hvFZavrftWz4kz9Gt2t.kVjseuzswitP0PH3dM8OxGw3r2IEFzR9djRgos9nKXgCWXeBWmHC7ZAshmsIJ3cUqcX3ynG_eFYzKuWatqMdl.WAVhQPUzcyGbw5vFNSJsRy4E1SkI6mAFaWa2xdHeGy51GW8SUl.kqTfy1VV1FoZ3dsY0WjNm.r3IEKU7Lw9rwA3CkWrbcHDQWXb7ppTZEitHr9ZgfaO8oItVOUVZxNLbqVSA6n.bZJsqFZbtGSURfD3hUws0XBovx9PnbWOYNQ0TJRaoytlIWopwc3grHZnxRIvAPSOVmy.5.XD722p5QZETMiXg17rFaVOu0kAjsfy7TUirquwGADeMyjOQa_QkGommEvabsqd9vUQNHXtwfLSSzfTG88oqs8Q4pxHCpJd7xu7GC4owJQ2LZS4yFgi2Ip5keKONAtMmVBcS6EolYmqtGdcZ3xQwfjmaKV5LeWyeVhDG2FhfXChPw.z0kFkSjxikIERoqaVSuDFj3B0A2T2iUyzpeyDFFC6MoVLnCpklxj8NsEHRiXWj5ZauVcTYbC7ImfHT.c4WHNdLduVpShqbjMnTJbZdB0y7JGGxxWerRzzrCcIibzfK2yY_v.dmZeUg9_pZZeS_nbLDKvH9I5ViKeygZ_Ew2IxpCyjc.3I9A.IAOA3ojlBduGCUpFiRbny9temQ8MnBSf_3Seu8omC0O1sLfX64EW6H3qMa2FzTdTDiEoKTLohxTAwnM8f4ZF9mHkkx8wvLBV2uXrvp05IIaMal33eqX6RORhERtkaDH34Hv4qbM3qvcBLRpENrTh9CGvZGYbGSCga9PN7Rqsg0NH1GEdcWNhqUvM2Bmmutk8sI1dCk7q1c8K9g7AKOVEV7_BsIG9UhLhf7dtgq5vvem8CutNMIufulEE8u1qkEMvps4EnYuKue_CkkXLpuK9EFgOOoXV4RSu4SMF7GF5KKJqwpUatECwmNkKFmBSj8wG1XJWTtXq_oSoG5UKIi_22fF3GgvO0V8Jqg6rBhz9QllYW9G5bL7UHjPPQDxGBKtxkUrDot8v_AOP8164hoJquCB_d2KEIObcDkAX8tE8Sufm0i63e5o513loiPhwLXJPJX8Ln1jbu879AWcMrEMOwVP6sYodsP0kwj0OlenaI.iONTrteOS3es2UyBCDpIfPjz.bn1kSxG81NJDXaHZSYhnYKRFPqiPZv4q1z_TpiswvAYpMbL9G1W4YH3p7G7kUfh3u1h6VeYwoklSOwnYUgHPe2JY8COjW4Zrt7xpZsBGoUowUZOTdPRcDTNhVML9GsgAAbg1OHhlMPKnDIUOG646ABNrb.bdEImEpi7pDm6ppmcKog4jP9ddsWX4QNBvyX3naIP8dq1FK5_ymXOlyRkZAi9jcr8EGLVPiqWNu6aOGNSu6BFTR_sqrCgS1n5BfHUSIh_aujtupvpsQskL8LXOvE9qRUTy59X_GKMXA4slcL3YZGmCzjN4LZPC.VqKtXQcoHqM6B0c.754RJhfvAyYABosArCRvOPIOeb88RoQDVGTYqy0btIVvgtBn5227DKs.gcSCzMmLsu0mpITpq6HmuOlTraF29tJoxdRT.AOTtzmyAO1UrKEneT30OKSAGAacx91ugYxRYzg71mqJQkeY4NssOznvCa9h.p2nYs607GEBI8gARgjvGVd_3SP7ic._fNQ2HwzoXHV3dpi65Zx13zYfXrGfKu4lXoWM1MIDqzHqwHpoHRj0rKfvISIOsKtcmFCm_CuOW09vDoIhrab5pG_Exkps_68LpFOXZptNsxamuxrsIO0tjfb7QPOcAao1h3vClbNxxZEkk_ExiqyIgQ_BuCf3lmjGb6xOwyz6KKZdgfRT5S5jw",mdrd: "aAeFNq6TpxT3E1we_gJ1TbU9gXLwcxCD66l83_gSkC4-1739858067-1.2.1.1-MNet4U3_fHb.BEI1YNdap_ZCLfZDByWdA.ZeCsY5sMzhdZo4a9DVuBKJYWUrV2h5mTqAm9F6PwS9TrTAIH3FliGb2bFztJgCCeTVMhqx8DzrQG1YK.UsSDquGv4hfCC6anDt1WRuUX4GLkofbyjBGA7XkJK_1XvV0q5SylZVQPGios8pfh2fT6yJ7uqlIty.sHUjvtVe6f19cmsdtUUz5HWB03AAK5Hct8RTn6U1g9DI8ihAP8F8q4KIn5spzZC8KRve3j5xwD5x8l5QwNOtcxZgZv2nfpw5xrj_FkEDDchRpx7mJ01Upu6cFhY8SF4GIbfOtCeOC80hIaM7Q2.VlzfFjoYgulanrYQdSxmYLGtg1E3pCEDlfg4xP9qBbzNEexAY.4ZBzZ3EXLrcuipzhrj2V1tSnTLthp5eGPk7NgKPTvZyCKMVjFxZms2v1sr3T8qy4iu8lpZGsotstajl_QOYzOmEyiZZRrExrFQ9DCN3khs6FMaZWi.lX0or6efzSaTmgfMQJ.5X4dvUbKAh62pHvLm4H7wcaZ3zdjCw50ZsyxkyEyzc9FhD3RVubSm9CiYdUdm_lnGSkXW7y7Ya2VxCZyc7YUXLZihnU2bf0fchWG8l2lm8OtIF9zPIOKcvF8O0KBFKYHPtlLdDPwB9agvx4fL6eDclhs.Khn507.s7URfGdod.tk.pzgUD4PoP2YEwS1LvU_De2hsF8QRp3KPQXACMM0A6KkoSUXdwPnojStELTNWnGOKNjKIYaoUMxHdxkyzVMEVCSszSegdqIZgJO8SDO5rAEx07YdHVi.h2l8iilf69.l83_pjNP21gJTN36DjsQpOqHsLw_vdYnrZTTv0VhGaHyE4PFCPqph4W56UGaltYZCRbqnURE4_j4GrFc5_K1I7rZuutk6CvufQs7Ci5UrpEWRTeOVJhCbZgLkJ90_bAwJn1k7F.JILS7dMuvY9MzzE6huhtTkKKzzXQ1oScL0pKlrfz.MAkLQUER9fqFPcdZcmk7k9uukODOgXqcLjEdU4VI.FhHrAv_reQFr6oPINs2qcP.dTFutWZA84_i4Ps_1MmLuT2bEKQ3g3Cu6U40_0BLB.iGBnEO4NOd2otAHFUv3CCc1SbZ1uqHnp6P92B2QlrLoFGhfGx0qZw9npQL1z5GbiyYymdNAv9iLwRWLC1i7oNO53mVdjHzGHIabPFLtr.wGGXKbHc122qWePZvniGVx1tcnuS4Nsm7iRcF.Qb.pqKFW5zP7.H.S6mXigv3ojcK3zm6oAKUaCs4NFREWkPklFIa.X51dSATQ7A3sKRGUJrBPzvT0Ra8YYhqJ3xth1B3JJcY9nHqSjW4Y81O7_0nsPszhSesC0ncZxhaCLeKa3bA_KAdVPyRL7O7QWupbxqf9X9E1lzSYZtzWkkKZf4N8ksA4EcDoLCPqQPaSLgffjJtblicPz51mVLcOSj9lhcb5O2qQ_ciQ2etGj5b.DpGjmL1CfJVOBELkOSwHLOh6SZ55CnGyDZgFYOilwnybjj0bdI2KiCyuXSNNUdbllb_ekEqlRhVqzj8fOUHSrypTZd7FjWMicjX5Ah07K_wLB5t5sz5L.eydrpQVcIAYtbxVCBs2QjGFFWJ3FGVtmr86wSCjBiY9j0Tht8G7FqBeE1vPRBHLVEaRw4KLVvCm9sTDceMeCFFVahxS3.dD5BrU7EaWZ2UQPDh8oLLryeXiJ2Lu3B0damHAqGfGfatXTzIVPAqQnaprVguNOYg9OHd7.1_EhS7j4cKipSxZZp81.5cKJ5QY627EDQyb3twworL2Ns0SA3XNbeGmqEjgTlaHdY9rEONnTbtBqS8cvU4BWv4y_TXdmQVccuuDJOuiqo0Aieqt8iJsl6xFtD4PuQxAr01rYgJWcLGWClgGtg791y9n_b_IZWSI_WOHzwn93_pg0sit9uqcfvxWPU9ftwfc4l67K6aMjn3mD0tFSAl2L.1kRgN20_"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=913bc3378add99a9';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\/10.1089\/thy.2009.1599?__cf_chl_rt_tk=9tqc6RThwwLvtXGW.KZnmXQe.jMZG5fwZStKdqXw71k-1739858067-1.0.1.1-DLdGRI2xo3cE1fmcDOUHqpc4pTWXHmKhtKlxoQhD7es" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>