Papafotiou, C. Christaki, E. van den Akker, E.L.T. Wester, V.L. Apostolakou, F. Papassotiriou, I. Chrousos, G.P. Pervanidou, P., Hair cortisol concentrations exhibit a positive association with salivary cortisol profiles and are increased in obese prepubertal girls, Chronic Stress, (20), 217-222, 2017, Taylor and Francis Ltd.,