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value="lt" data-alternative-spellings="lt" data-relevancy-booster="0">Lithuania</option> <option value="lu" data-alternative-spellings="lu" data-relevancy-booster="0">Luxembourg</option> <option value="mo" data-alternative-spellings="mo" data-relevancy-booster="0">Macao</option> <option value="mk" data-alternative-spellings="mk" data-relevancy-booster="0">Macedonia, Republic of North</option> <option value="mg" data-alternative-spellings="mg" data-relevancy-booster="0">Madagascar</option> <option value="mw" data-alternative-spellings="mw" data-relevancy-booster="0">Malawi</option> <option value="my" data-alternative-spellings="my" data-relevancy-booster="0">Malaysia</option> <option value="mv" data-alternative-spellings="mv" data-relevancy-booster="0">Maldives</option> <option value="ml" data-alternative-spellings="ml" data-relevancy-booster="0">Mali</option> <option value="mt" data-alternative-spellings="mt" data-relevancy-booster="0">Malta</option> <option value="mh" data-alternative-spellings="mh" data-relevancy-booster="0.5">Marshall Islands</option> <option value="mq" data-alternative-spellings="mq" data-relevancy-booster="0">Martinique</option> <option value="mr" data-alternative-spellings="mr" data-relevancy-booster="0">Mauritania</option> <option value="mu" data-alternative-spellings="mu" data-relevancy-booster="0">Mauritius</option> <option value="yt" data-alternative-spellings="yt" data-relevancy-booster="0">Mayotte</option> <option value="mx" data-alternative-spellings="mx" data-relevancy-booster="1.5">Mexico</option> <option value="fm" data-alternative-spellings="fm" data-relevancy-booster="0">Micronesia, Federated States of</option> <option value="md" data-alternative-spellings="md" data-relevancy-booster="0">Moldova, Republic of</option> <option value="mc" data-alternative-spellings="mc" data-relevancy-booster="0">Monaco</option> <option value="mn" data-alternative-spellings="mn" data-relevancy-booster="0">Mongolia</option> <option value="me" data-alternative-spellings="me" data-relevancy-booster="0">Montenegro</option> <option value="ms" data-alternative-spellings="ms" data-relevancy-booster="0.5">Montserrat</option> <option value="ma" data-alternative-spellings="ma" data-relevancy-booster="0">Morocco</option> <option value="mz" data-alternative-spellings="mz" data-relevancy-booster="0">Mozambique</option> <option value="mm" data-alternative-spellings="mm" data-relevancy-booster="0">Myanmar</option> <option value="na" data-alternative-spellings="na" data-relevancy-booster="0">Namibia</option> <option value="nr" data-alternative-spellings="nr" data-relevancy-booster="0.5">Nauru</option> <option value="np" data-alternative-spellings="np" data-relevancy-booster="0">Nepal</option> <option value="nl" data-alternative-spellings="nl" data-relevancy-booster="1.5">Netherlands</option> <option value="nc" data-alternative-spellings="nc" data-relevancy-booster="0.5">New Caledonia</option> <option value="nz" data-alternative-spellings="nz" data-relevancy-booster="0">New Zealand</option> <option value="ni" data-alternative-spellings="ni" data-relevancy-booster="0">Nicaragua</option> <option value="ne" data-alternative-spellings="ne" data-relevancy-booster="0">Niger</option> <option value="ng" data-alternative-spellings="ng" data-relevancy-booster="1.5">Nigeria</option> <option value="nu" data-alternative-spellings="nu" data-relevancy-booster="0.5">Niue</option> <option value="nf" data-alternative-spellings="nf" data-relevancy-booster="0.5">Norfolk Island</option> <option value="mp" data-alternative-spellings="mp" data-relevancy-booster="0.5">Northern Marianna Islands</option> <option value="no" data-alternative-spellings="no" data-relevancy-booster="1.5">Norway</option> <option value="om" data-alternative-spellings="om" data-relevancy-booster="0">Oman</option> <option value="pk" data-alternative-spellings="pk" data-relevancy-booster="2">Pakistan</option> <option value="pw" data-alternative-spellings="pw" data-relevancy-booster="0.5">Palau</option> <option value="ps" data-alternative-spellings="ps" data-relevancy-booster="0">Palestinian Territory, Occupied</option> <option value="pa" data-alternative-spellings="pa" data-relevancy-booster="0">Panama</option> <option value="pg" data-alternative-spellings="pg" data-relevancy-booster="0">Papua New Guinea</option> <option value="py" data-alternative-spellings="py" data-relevancy-booster="0">Paraguay</option> <option value="pe" data-alternative-spellings="pe" data-relevancy-booster="0">Peru</option> <option value="ph" data-alternative-spellings="ph" data-relevancy-booster="1.5">Philippines</option> <option value="pn" data-alternative-spellings="pn" data-relevancy-booster="0.5">Pitcairn</option> <option value="pl" data-alternative-spellings="pl" data-relevancy-booster="1.25">Poland</option> <option value="pt" data-alternative-spellings="pt" data-relevancy-booster="1.5">Portugal</option> <option value="pr" data-alternative-spellings="pr" data-relevancy-booster="0">Puerto Rico</option> <option value="qa" data-alternative-spellings="qa" data-relevancy-booster="0">Qatar</option> <option value="re" data-alternative-spellings="re" data-relevancy-booster="0">Reunion</option> <option value="ro" data-alternative-spellings="ro" data-relevancy-booster="0">Romania</option> <option value="ru" data-alternative-spellings="ru" data-relevancy-booster="2.5">Russian Federation</option> <option value="rw" data-alternative-spellings="rw" data-relevancy-booster="0">Rwanda</option> <option value="bl" data-alternative-spellings="bl" data-relevancy-booster="0">Saint Barthelemy</option> <option value="sh" data-alternative-spellings="sh" data-relevancy-booster="0">Saint Helena, Ascension and Tristan Da Cunha</option> <option value="kn" data-alternative-spellings="kn" data-relevancy-booster="0">Saint Kitts and Nevis</option> <option value="lc" data-alternative-spellings="lc" data-relevancy-booster="0">Saint Lucia</option> <option value="mf" data-alternative-spellings="mf" data-relevancy-booster="0">Saint Martin (French Part)</option> <option value="pm" data-alternative-spellings="pm" data-relevancy-booster="0">Saint Pierre and Miquelon</option> <option value="vc" data-alternative-spellings="vc" data-relevancy-booster="0">Saint Vincent and The Grenadines</option> <option value="ws" data-alternative-spellings="ws" data-relevancy-booster="0">Samoa</option> <option value="sm" data-alternative-spellings="sm" data-relevancy-booster="0">San Marino</option> <option value="st" data-alternative-spellings="st" data-relevancy-booster="0">Sao Tome and Principe</option> <option value="sa" data-alternative-spellings="sa" data-relevancy-booster="0">Saudi Arabia</option> <option value="sn" data-alternative-spellings="sn" data-relevancy-booster="0">Senegal</option> <option value="rs" data-alternative-spellings="rs" data-relevancy-booster="0">Serbia</option> <option value="sc" data-alternative-spellings="sc" data-relevancy-booster="0.5">Seychelles</option> <option value="sl" data-alternative-spellings="sl" data-relevancy-booster="0">Sierra Leone</option> <option value="sg" data-alternative-spellings="sg" data-relevancy-booster="0">Singapore</option> <option value="sx" data-alternative-spellings="sx" data-relevancy-booster="0">Sint Maarten (Dutch Part)</option> <option value="sk" data-alternative-spellings="sk" data-relevancy-booster="0">Slovakia</option> <option value="si" data-alternative-spellings="si" data-relevancy-booster="0">Slovenia</option> <option value="sb" data-alternative-spellings="sb" data-relevancy-booster="0">Solomon Islands</option> <option value="so" data-alternative-spellings="so" data-relevancy-booster="0">Somalia</option> <option value="za" data-alternative-spellings="za" data-relevancy-booster="0">South Africa</option> <option value="gs" data-alternative-spellings="gs" data-relevancy-booster="0">South Georgia and The South Sandwich Islands</option> <option value="es" data-alternative-spellings="es" data-relevancy-booster="2">Spain</option> <option value="lk" data-alternative-spellings="lk" data-relevancy-booster="0">Sri Lanka</option> <option value="sd" data-alternative-spellings="sd" data-relevancy-booster="0">Sudan</option> <option value="sr" data-alternative-spellings="sr" data-relevancy-booster="0">Suriname</option> <option value="sj" data-alternative-spellings="sj" data-relevancy-booster="0.5">Svalbard and Jan Mayen</option> <option value="sz" data-alternative-spellings="sz" data-relevancy-booster="0">Swaziland</option> <option value="se" data-alternative-spellings="se" data-relevancy-booster="1.5">Sweden</option> <option value="ch" data-alternative-spellings="ch" data-relevancy-booster="1.5">Switzerland</option> <option value="sy" data-alternative-spellings="sy" data-relevancy-booster="0">Syrian Arab Republic</option> <option value="tw" data-alternative-spellings="tw" data-relevancy-booster="0">Taiwan</option> <option value="tj" data-alternative-spellings="tj" data-relevancy-booster="0">Tajikistan</option> <option value="tz" data-alternative-spellings="tz" data-relevancy-booster="0">Tanzania, United Republic of</option> <option value="th" data-alternative-spellings="th" data-relevancy-booster="0">Thailand</option> <option value="tl" data-alternative-spellings="tl" data-relevancy-booster="0">Timor-Leste</option> <option value="tg" data-alternative-spellings="tg" data-relevancy-booster="0">Togo</option> <option value="tk" data-alternative-spellings="tk" data-relevancy-booster="0.5">Tokelau</option> <option value="to" data-alternative-spellings="to" data-relevancy-booster="0">Tonga</option> <option value="tt" data-alternative-spellings="tt" data-relevancy-booster="0">Trinidad and Tobago</option> <option value="tn" data-alternative-spellings="tn" data-relevancy-booster="0">Tunisia</option> <option value="tr" data-alternative-spellings="tr" data-relevancy-booster="0">Turkey</option> <option value="tm" data-alternative-spellings="tm" data-relevancy-booster="0">Turkmenistan</option> <option value="tc" data-alternative-spellings="tc" data-relevancy-booster="0.5">Turks and Caicos Islands</option> <option value="tv" data-alternative-spellings="tv" data-relevancy-booster="0.5">Tuvalu</option> <option value="ug" data-alternative-spellings="ug" data-relevancy-booster="0">Uganda</option> <option value="ua" data-alternative-spellings="ua" data-relevancy-booster="0">Ukraine</option> <option value="ae" data-alternative-spellings="ae" data-relevancy-booster="0">United Arab Emirates</option> <option value="gb" data-alternative-spellings="gb" data-relevancy-booster="4">United Kingdom</option> <option value="us" data-alternative-spellings="us" data-relevancy-booster="3.5">United States</option> <option value="um" data-alternative-spellings="um" data-relevancy-booster="0">United States Minor Outlying Islands</option> <option value="uy" data-alternative-spellings="uy" data-relevancy-booster="0">Uruguay</option> <option value="uz" data-alternative-spellings="uz" data-relevancy-booster="0">Uzbekistan</option> <option value="vu" data-alternative-spellings="vu" data-relevancy-booster="0">Vanuatu</option> <option value="ve" data-alternative-spellings="ve" data-relevancy-booster="0">Venezuela, Bolivarian Republic of</option> <option value="vn" data-alternative-spellings="vn" data-relevancy-booster="1.5">Vietnam</option> <option value="vg" data-alternative-spellings="vg" data-relevancy-booster="0.5">Virgin Islands, British</option> <option value="vi" data-alternative-spellings="vi" data-relevancy-booster="0.5">Virgin Islands, U.S.</option> <option value="wf" data-alternative-spellings="wf" data-relevancy-booster="0.5">Wallis and Futuna</option> <option value="eh" data-alternative-spellings="eh" data-relevancy-booster="0">Western Sahara</option> <option value="ye" data-alternative-spellings="ye" data-relevancy-booster="0">Yemen</option> <option value="zm" data-alternative-spellings="zm" data-relevancy-booster="0">Zambia</option> <option value="zw" data-alternative-spellings="zw" data-relevancy-booster="0">Zimbabwe</option> </select> <a href="#" class="country-selector-go">OK</a> </form> </div> </div> </div> <div id="nav_container"> <div id="top_navigation"> <ul> <li> <span class="nav_text">Academic & Professional</span> <ul class="tier_2_academic"> <li><a title="" href="https://web.archive.org/web/20190426022913/https://global.oup.com/academic/">Academic and Professional</a></li> <li><a title="" href="https://web.archive.org/web/20190426022913/http://global.oup.com/ukhe/?cc=gb">Higher Education</a></li> <li><a title="Journals" href="https://web.archive.org/web/20190426022913/http://www.oxfordjournals.org/">Journals</a></li> <li><a title="" href="https://web.archive.org/web/20190426022913/https://global.oup.com/academic/online/">Online Resources</a></li> <li><a title="" 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