Mastorakos, G. Paltoglou, G. Greene, M. Ilias, I. Papamichalopoulos, A. Dimopoulos, S. Pouliou, E. Fatouros, I.G. Nanas, S., Inappropriately normal plasma ACTH and cortisol concentrations in the face of increased circulating interleukin-6 concentration in exercise in patients with sarcoidosis, Chronic Stress, (16), 202-210, 2013,