1 Department of Acute & Tertiary Care Nursing, University of Pittsburgh, Pittsburgh, PA, USA; University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA, USA. Electronic address: zif10@pitt.edu.
2 Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, PA, USA; University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA, USA.
3 Department of Acute & Tertiary Care Nursing, University of Pittsburgh, Pittsburgh, PA, USA; Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Division of Cardiology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.