RT Journal Article SR Electronic T1 Correction to “The Performance of Fertility Awareness-based Method Apps Marketed to Avoid Pregnancy” JF The Journal of the American Board of Family Medicine JO J Am Board Fam Med FD American Board of Family Medicine SP 817 OP 817 DO 10.3122/jabfm.2016.06.160291 VO 29 IS 6 YR 2016 UL http://www.jabfm.org/content/29/6/817.abstract AB In the above-mentioned article,1 the electronic version differs from the print version due to typos in Table 2. The only data affected were the apps that did not predict the fertile window. The electronic version on the Journal of the American Board of Family Medicine website has been corrected. We apologize for the error, and we regret any confusion or inconvenience it may have caused.