<div class='row shift-top'>
  <div class='col-xs-1 col-sm-1 col-md-1'></div>
  <div class='col-xs-10 col-sm-10 col-md-10'>
    <md-radio-group ng-model='obj.answer' class='md-primary'>
      <md-radio-button ng-repeat='choice in obj.choice' ng-value='choice.id'>{{ swlang.getString(choice.label) }}</md-radio-button>
    </md-radio-group>
  </div>
</div>