Slide 17. Chicago Tribune, October 7, 2011 The "Seven Pillars" Approach: Crossing the Patient Safety—Medical Liability Chasm Image: A photograph and headline from the Chicago Tribune are shown. The headline reads "Family lends hand after deadly error" and the photograph shows Bob and Barb Marlizzo with two of their children, visiting the grave of their daughter Michelle Ballog.Contents Current as of May 2012 Internet Citation: Slide 17. Chicago Tribune, October 7, 2011: The "Seven Pillars" Approach: Crossing the Patient Safety—Medical Liability Chasm. May 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/news/events/nac/2012-04-nac/mcdonald/mcdonald17.html