Cicchetti, D., A. Fontana, and D. Showalter. “Establishing Reliability When Multiple Examiners Evaluate a Single Case-Part II: Applications to Symptoms of Post-Traumatic Stress Disorder (PTSD)”. International Journal of Statistics in Medical Research, vol. 4, no. 1, Dec. 2015, pp. 35-47, doi:10.6000/1929-6029.2015.04.01.4.