Effect of cocoa supplementation on athlete's blood coagulation factors after an incremental exhaustive exercise (Br J Sports Med 2010;44:i45–i46). The correct author names are as follows: Vahid Sari-Sarraf, Saeed Nikookheslat, Ramin Amir Sasan, Mehdi Soleimani, they are all affiliated to the Faculty of Physical Education and Sport Sciences, Tabriz University, Tabriz/Iran. Corresponding author is Dr Vahid Sari-Sarraf, Faculty of Physical Education and Sport Sciences, Tabriz University, Tabriz/Iran; sarraf{at}tabrizu.ac.ir