CONSENT OF ARTHUR ANDERSEN LLP
Published on March 29, 2000
Exhibit 23.1
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
As independent public accountants, we hereby consent to the incorporation of our
report, included in this Form 10-K, into the Company's previously filed
Registration Statement File Nos. 33-41806, 33-42845, 33-42846, 33-48404,
33-61494, 33-64202, 33-64204, 33-95616, 333-11201, 333-11199, 333-36009,
333-36007, 333-56685, 333-78765 and 333-78769.
/s/ Arthur Andersen LLP
Boston, Massachusetts
March 23, 2000
37