text: Impact of Dyspnea on Adults With 
  Respiratory Symptoms Without a Deﬁned 
  Diagnosis 
  
  Jared Bierbrier, BSc; Emily Gerstein; George A. Whitmore, PhD; Katherine L. Vandemheen, MScN; Celine Bergeron, MD; 
  
  Louis-Philippe Boulet, MD; Andreanne Cote, MD; Stephen K. Field, MD; Erika Penz, MD; R. Andrew McIvor, MD; 
  
  Catherine Lemière, MD; Samir Gupta, MD; Paul Hernandez, MD; Irvin Mayers, MD; Mohit Bhutani, MD; 
  
  M. Diane Lougheed, MD; Christopher J. Licskai, MD; Tanweer Azher, MD; Nicole Ezer, MD; Martha Ainslie, MD; 
  
  Gonzalo G. Alvarez, MD; Sunita Mulpuru, MD; and Shawn D. Aaron, MD 