Using optimal combined moderators to define heterogeneity in neural responses to randomized conditions: Application to the effect of sleep loss on fear learning. - Meredith L. Wallace; Layla Banihashemi; Christopher O'Donnell; Vishwajit L. Nimgaonkar; Chowdari Kodavali; Rebecca L. McNamee; Anne Germain (NeuroImage, 2018)