1. Cardiovascular Division, Mayo Mail Code 508; University of Minnesota Medical School; 420 Delaware Street SE Minneapolis MN 55455 USA
2. Brigham and Women's Hospital; Harvard Medical School; Boston MA USA
3. University of Toronto; Toronto Ont. Canada
4. University of Auckland; Auckland New Zealand
5. Sahlgrenska University Hospital; Göteborg Sweden
6. Solvay Pharmaceuticals B.V., Weesp; The Netherlands
7. Eli Lilly and Company; Indianapolis IN USA