Use of multiple social media platforms and symptoms of depression and anxiety: A nationally-representative study among U.S. young adults. - Brian A. Primack; Ariel Shensa; César G. Escobar-Viera; Erica L. Barrett; Jaime E. Sidani; Jason B. Colditz; A. Everette James (Comput. Hum. Behav., 2017)