1. Department of Emergency, Medicine Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA;
2. Department of Medical Education, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA;
3. Department of Preventative Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA;
4. Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA;
5. Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA