Ronald C. Kessler Depression and Anxiety April 1, 2019 2019 Ebert DD, Buntrock C, Mortier P, Auerbach R, Weisel KK, Kessler RC, Cuijpers P, Green JG, Kiekens G, Nock MK, Demyttenaere K, Bruffaerts R https://www.ncbi.nlm.nih.gov/pubmed/30521136