public function findOneByEmailAndWebsiteId($email, $websiteId)
    {

        // initialize the params
        $params = array(
            MemberNames::EMAIL      => $email,
            MemberNames::WEBSITE_ID => $websiteId
        );

        // if not, try to load the customer with the passed email and website ID
        $this->customerByEmailAndWebsiteIdStmt->execute($params);
        return $this->customerByEmailAndWebsiteIdStmt->fetch(\PDO::FETCH_ASSOC);
    }