Clinical Assistant Professor of Medicine
University of Chicago
Division of Pulmonary and Critical Care Medicine
North Shore University Health System
TJK is the author of an article cited in this topic.
Dr Tomasz J. Kuzniar would like to gratefully acknowledge Dr Timothy I. Morgenthaler, a previous contributor to this topic.
TIM declares that he has no competing interests.
Director of Research
Family and Community Medicine
University of Illinois at Chicago
NL declares that she has no competing interests.
Consultant Chest Physician
Aberdeen Royal Infirmary
GC declares that he has no competing interests.