title: In Reply to Petersen.
authors.affiliation: Associate professor and vice chairman for education, Norman M. Rich Department of Surgery, Uniformed Services University of the Health Sciences F. Edward Hébert School of Medicine/Walter Reed National Military Medical Center, Bethesda, Maryland. Associate professor, Department of Medical Education, University of Illinois at Chicago College of Medicine, Chicago, Illinois; rachely@uic.edu.
authors.forename: E Matthew
authors.initials: EM
authors.lastname: Ritter
authors.forename: Rachel
authors.initials: R
authors.lastname: Yudkowsky