protected function createBootstrapRadioOrCheckboxOpenLabelElement($type, &$radioOrCheckboxLabel, &$return)
    {
        if( $value = $this->settings['label']['value'] )
        {
            $this->settings['label']['value'] = Base::prefix($value, $type . '-');
        }
        
        $return .= '<label'.$this->createAttribute('class', $this->settings['label']['value']).'>' . EOL;

        $radioOrCheckboxLabel = true;
    }