AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Cummings M. F1000Prime Recommendation of [Moré AO, et al. J Caffeine Res 2013;3:143–8]. In F1000Prime, 06 May 2014; doi:10.3410/f.718373172.793494648. F1000Prime.com/ 71837317 2#eval793494648