@if ($oaa->prepared_by_id !=null)
    <div class="">{{ $oaa->prepared_by->name }} {{ $oaa->prepared_by->last_name }}</div>
@endif

@if ($oaa->reviewed_by_id !=null)
    <div class="">{{ $oaa->reviewed_by->name }} {{ $oaa->reviewed_by->last_name }}</div>
@endif