1. Department of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1 Canada
2. Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, Alberta, T2N 4N1 Canada
3. Department of Physiology and Biophysics, University of Calgary, Calgary, Alberta, T2N 4N1 Canada
4. GenVec, Inc., Gaithersburg, MD 20878