private function updateAnswer($answer, $data)
{
$answer->element_id = $this->id;
$answer->is_factor = isset($data['is_factor']) ? $data['is_factor'] : null;
$answer->comments = isset($data['comments']) ? $data['comments'] : null;
if (!$answer->save()) {
throw new \Exception('Unable to save CVI Disorder Section Comment: ' . print_r($answer->getErrors(), true));
}
}