PT - JOURNAL ARTICLE ED - , TI - CORRECTION AID - 10.1370/afm.2168 DP - 2017 Nov 01 TA - The Annals of Family Medicine PG - 503--503 VI - 15 IP - 6 4099 - http://www.annfammed.org/content/15/6/503.short 4100 - http://www.annfammed.org/content/15/6/503.full SO - Ann Fam Med2017 Nov 01; 15