QALYs: incorporating the rate of change in quality of life. - Theofanis Katostaras; Niki Katostara (ICIMTH, 2013)

Area of the ROC curve when one point is available. - Theofanis Katostaras; Niki Katostara (ICIMTH, 2013)

An Empirical Comparison of DEA and SFA Method to Measure Hospital Units' Efficiency. - George Katharakis; Maria Katharaki; Theofanis Katostaras (ICORES, 2013)