Irisin - A myth rather than an exercise-inducible myokine - Albrecht, E; Norheim, F; Thiede, B; Holen, T; Ohashi, T; Schering, L; Lee, S; Brenmoehl, J; Thomas, S; Drevon, C A; Erickson, H P; Maak, S (Sci Rep, 2015)