[1] Univ South Carolina, Sch Med, Dept Family & Prevent Med, 3209 Colonial Dr, Columbia, SC 29212 USA
[2] Michigan State Univ, Coll Human Med, Spectrum Hlth, E Lansing, MI 48824 USA
[3] Sea Mar Marysville Family Med Residency, Snohomish County, WA USA
[4] Michigan State Univ, Coll Human Med, Mercy Hlth Dept Family Med, E Lansing, MI 48824 USA
[5] Univ Manitoba, Dept Emergency Med, Brandon Reg Hlth Ctr, Winnipeg, MB, Canada
[6] Off Surg Gen, Army Med Educ Directorate, Washington, DC USA
[7] Univ Iowa, Carver Coll Med, Dept Family Med, Iowa City, IA 52242 USA
[8] Univ Iowa, Carver Coll Med, Dept Phys Assistant Studies, Iowa City, IA 52242 USA