We handle this situation the same way as described by Chuck Willis at ODU
 Research Foundation.  The extra effort/expense is worth it in this case.

Diane Austin, CRA
Marshfield Clinic
Division of Research
1000 N. Oak Avenue
Marshfield, WI  54449
Phone: 715-387-9134
Fax: 715-389-3131
Email: xxxxxx@mfldclin.edu