Ronald C. Kessler Nancy Sampson BMC Psychiatric January 18, 2019 2019 Naifeh JA, Ursano RJ, Kessler RC, Gonzalez OI, Fullerton CS, Herberman Mash HB, Riggs-Donovan CA, Ng THH, Wynn GH, Dinh HM, Kao TC, Sampson NA, Stein MB. https://www.ncbi.nlm.nih.gov/pubmed/30658601