SECURITIES AND EXCHANGE COMMISSION
WASHINGTON D.C.  20549

SCHEDULE 13G
Under the Securities Exchange Act of 1934

Exhibit A

The Schedule 13G to which this attachment is appended is filed by U.S. Bancorp
on behalf of the following subsidiary or subsidiaries listed below:

U.S. Bank National Association					BK
601 2nd Avenue South
Minneapolis, MN  55402-4302

U.S. Bancorp Piper Jaffray, Inc.				BD
800 Nicollet Mall, Suite 800
Minneapolis, MN  55402

U.S. Bancorp Asset Management, Inc.				IA
800 Nicollet Mall
Minneapolis, MN  55402