<DOCUMENT>
<TYPE>EX-21.1
<SEQUENCE>9
<FILENAME>b53303kaexv21w1.txt
<DESCRIPTION>EX-21.1 SUBSIDIARIES OF THE REGISTRANT
<TEXT>
<PAGE>
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                                                                    EXHIBIT 21.1

                         SUBSIDIARIES OF THE REGISTRANT

<TABLE>
<CAPTION>
NAME                                       JURISDICTION OF INCORPORATION
----                                       -----------------------------
<S>                                        <C>
TKT Canada Inc.                                         Canada
TKT Europe                                              Sweden
TKT Securities Corp.                                    Massachusetts
TKT UK Ltd.                                             United Kingdom
TKT Argentina SRL                                       Argentina
Eminent Biopharmaceutical Services, LLC                 Delaware
</TABLE>

Each subsidiary, except Eminent Biopharmaceutical Services, LLC, is a
wholly-owned subsidiary of the Registrant.
</TEXT>
</DOCUMENT>