Table 1.

Original PBRN Locations, Institutional Affiliations, Investigator and Principal

Network	Location	Institutional Affiliation	PBRN Director
IRENE*	Iowa City, IA	University of Iowa	Barcey Levy
ORPRN*	Portland, OR	Oregon Health & Science University	Lyle Fagnan
SNOCAP*†	Denver, CO	University of Colorado	Donald Nease
WREN*	Madison, WI	University of Wisconsin	David Hahn

^*Practice-based research network (PBRN) participating in research study.

^†Lead team for the INSTTEPP study.¹