No effect of intensive training on plasma BDNF and cortisol concentrations in highly trained cyclists - Piacentini, M. F.; Witard, O. C.; Tonoli, C.; Guidotti, F.; Jackman, S. R.; Kies, A. K.; Jeukendrup, A. E.; Tipton, K. D.; Meeusen, R. (19th Annual Congress of the European College of Sport Science (ECSS), Amsterdam, 2. - 5. July 2014, 2014)