Cadigan RJ, Edwards TP, Lassiter D, Davis AM, Henderson GE. "Forward-Thinking" in U.S. biobanking. Genet Test Mol Biomark. 2017 Mar;21(3):148-54. doi: 10.1089/gtmb.2016.0393
Warttig SL, Forshaw MJ, South J, White AK. New, normative, English-sample data for the Short Form Perceived Stress Scale (PSS-4). J Health Psychol. 2013 Dec;18(12):1617-28. doi: 10.1177/1359105313508346