checkbox list in ionic

I write this code for add contact to group. how i make line by line checkbox? this is in line checkbox list.

<ion-list>
      <ion-item ng-repeat="employee in employees" >
          <label class="checkbox">
              <input  ng-model="checkGroups[employee.id]" type="checkbox">
          </label>
            
      </ion-item>
  </ion-list>

Image