Rachel Hae-Soo Joung1, Ryan P Merkow2. 1. Division of Surgical Oncology, Department of Surgery, Surgical Outcomes and Quality Improvement Center (SOQIC), Feinberg School of Medicine, Northwestern University, Chicago, IL, USA. 2. Division of Surgical Oncology, Department of Surgery, Surgical Outcomes and Quality Improvement Center (SOQIC), Feinberg School of Medicine, Northwestern University, Chicago, IL, USA. Ryan.Merkow@northwestern.edu.