<qa>  What is the goal of a prospective, observational, unblinded, multi-Prospective, observational, unblinded, multi-site study designed to collect data on patients implanted with a Model 106 VNS Therapy System from baseline through an EMU stay of up to 5 days. After the EMU stay, patients will continue follow-up for safety for approximately two years or until final regulatory approval of the product. 