Authors: Michele L Allen; Jon Salsberg; Michaela Knot; Joseph W LeMaster; Maret Felzien; John M Westfall; Carol P Herbert; Katherine Vickery; Kathleen A Culhane-Pera; Vivian R Ramsden; Linda Zittleman; Ruth Elwood Martin; Ann C Macaulay Journal: Fam Pract Date: 2017-06-01 Impact factor: 2.267