1. From the Cleveland Clinic Lerner College of Medicine, Cleveland, OH (Shukla, Zhao, Sharew)
2. Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, TN (Huang)
3. Center for Abdominal Core Health, Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, Cleveland, OH (Miller, Beffa, Petro, Krpata, Prabhu, Rosen).