1 Oregon Rural Practice-Based Research Network, Oregon Health & Science University (OHSU), 3181 SW Sam Jackson Park Rd, Portland, OR, 97239, USA. coury@ohsu.edu.
2 Kaiser Permanente Center for Health Research, Portland, USA.
3 Division of Oncological Sciences, Knight Cancer Institute, OHSU, Portland, USA.
4 Oregon Rural Practice-Based Research Network, Oregon Health & Science University (OHSU), 3181 SW Sam Jackson Park Rd, Portland, OR, 97239, USA.
5 Department of Family Medicine, OHSU, Portland, USA.
6 OHSUPSU School of Public Health, OHSU, Portland, USA.