Saffran K, Fitzsimmons-Craft EE, Kass AE, Wilfley DE, Taylor CB, Trockel M. Facebook usage among those who have received treatment for an eating disorder in a group setting. Int J Eat Disord. 2016 Aug;49(8):764-77. doi: 10.1002/eat.22567. Epub 2016 Jun 15. PubMed PMID: 27302908; PubMed Central PMCID: PMC5352297.