Carle Illinois College of Medicine, University of Illinois, Urbana-Champaign, Urbana, Illinois, USA. Carle Foundation Hospital, Urbana, Illinois, USA. Department of Communication, University of Illinois, Urbana-Champaign, Urbana, Illinois, USA. Carle Illinois College of Medicine, University of Illinois, Urbana-Champaign, Urbana, Illinois, USA; Carle Foundation Hospital, Urbana, Illinois, USA. Electronic address: wael.mostafa@carle.com.