Taylor's manual of family medicine / editors, Paul M. Paulman, MD, FAAFP, Professor/Predoctoral Director, Assistant Dean for Clinical Skills and Quality, Department of Family Medicine, University of Nebraska Medical Center, Omaha, Nebraska, Audrey A. Paulman, MD, MM, FAAFP, Clinical Professor, Department of Family Medicine, University of Nebraska Medical Center, Omaha, Nebraska, Kimberly J. Jarzynka, MD, FAAFP, Associate Professor/Residency Program Director, Department of Family Medicine, University of Nebraska Medical Center, Omaha, Nebraska, Nathan P. Falk, MD, CAQSM, FAAFP, Department of Family Medicine, University of Nebraska Medical Center, Omaha, Nebraska.