you may want to contact Julie Watson at Bowman Gray School of Medicine;
she's one of the most knowledgeable folks I know in this area.  Her
number is 910-759-2846.

Julie B. Cole, CRA
Director, Research and Sponsored Programs
P.O. Box 7528, Reynolda Station
Wake Forest University
Winston-Salem, North Carolina 27109
(910) 759-5888
(910) 759-4823 FAX
xxxxxx@wfu.edu