<div ng-repeat="location in locations">
    <h3 translate>{{location.title}}</h3>
    <div ng-repeat="option in location.options">
        <input type="checkbox"
               ng-checked="ngModel.indexOf(option.value) > -1"
               ng-click="toggleSelection(option.value)"
        >
        <span class="addthis-checkbox-label"><strong translate>{{option.display}}</strong></span>
    </div>
</div>