1. Definition, Categorization, and Terminology of Episodic Breathlessness: Consensus by an International Delphi Survey 
Steffen T. Simon, MD, MSc, Vera Weingärtner, Health Econ, Irene J. Higginson, BM, BS, BMedSci, PhD, FFPHM, FRCP, Raymond Voltz, MD, Claudia Bausewein, PhD, MD, MSc 
Journal of Pain and Symptom Management 
Volume 47, Issue 5, Pages (May 2014)
DOI: /j.jpainsymman
Copyright © 2014 U.S. Cancer Pain Relief Committee Terms and Conditions

2. Fig. 1 Flow chart of participants in the Delphi survey.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2014 U.S. Cancer Pain Relief Committee Terms and Conditions

3. Fig. 2 Development of the definition.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2014 U.S. Cancer Pain Relief Committee Terms and Conditions

4. Fig. 3 Development of the categorization.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2014 U.S. Cancer Pain Relief Committee Terms and Conditions