1. The Gladstone Institute of Cardiovascular Disease, Cardiovascular Research Institute, University of California, San Francisco, CA 94141-9100
2. Lipoprotein and Atherosclerosis Group, University of Ottawa Heart Institute, Ottawa Civic Hospital, Ottawa, Ontario, K1Y 4E9 Canada
3. Département des Sciences Biologiques, Université du Québec, Montréal, CP 8888, Québec, H3C 3P8 Canada