EXHIBIT 23

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation of our
report dated January 29, 2002 included in this Form 10-K, into the Company's
previously filed Registration Statements File No. 333-12761, File No. 333-96393,
File No. 333-95663, and File No, 333-38626.

                                                         /s/ ARTHUR ANDERSEN LLP

Boston, Massachusetts
March 19, 2002