public function getGroupMembers($groupUids)
    {
        if ($groupUids === '') {
            throw new \InvalidArgumentException('$groupUids must not be an empty string.', 1331488505);
        }

        return $this->getListOfModels(
            \Tx_Oelib_Db::selectMultiple(
                '*',
                $this->getTableName(),
                $this->getUniversalWhereClause() . ' AND ' .
                'usergroup REGEXP \'(^|,)(' . implode('|', GeneralUtility::intExplode(',', $groupUids)) . ')($|,)\''
            )
        );
    }