Neuroepidemiology 2007;28:121–134 DOI: 10.1159/000101536 Regional North American Annual Meeting of the World Federation of Neurology – Research Group on Neuroepidemiology Boston, Mass., May 4, 2007 Program and Abstracts Guest Editors Philip A. Wolf, Boston, Mass. Amethyst D. Leimpeter, Oakland, Calif. Stephen K. Van Den Eeden, Oakland, Calif. Published online: April 11, 2007 Basel Freiburg Paris London New York Bangalore Bangkok Singapore Tokyo Sydney