Table 2.

Referring and receiving institutions and specialties that participated in semi-structured interviews.

Receiving institutions
Geographical region	Institution	Specialty (n = number of physicians interviewed)
West Coast	Cedars Sinai	Pulmonary and critical care (1)
Midwest	Abbott Northwestern Hospital	Pulmonary and critical care (1) Anesthesiology and critical care (1)
Ohio Valley	UPMC	Pulmonary and critical care (1) Emergency medicine (1)
South	Piedmont Atlanta	Pulmonary and critical care (1)
East	Harvard Affiliated Hospital	Emergency medicine (2)
Referring institutions
West Coast	Cedars Sinai Marina del Rey	Emergency medicine (3)
Midwest	Abbott Northwestern Affiliated Hospital St. Francis Regional Medical Center	Emergency medicine (3)
Ohio Valley	UPMC Affiliated Hospitals	Emergency medicine (3)
South	Piedmont Affiliated Hospitals Southern Regional Medical Center	Emergency medicine (3) Pulmonary and critical care (1)
East	Cooley Dickinson Health Care Martha’s Vineyard Hospital Salem Hospital	Emergency medicine (4)