Nikolaidis, Pantelis, Gal Ziv, Michal Arnon, and Ronnie Lidor. 2015. “Physical and Physiological Attributes of Soccer Goalkeepers: Should We Rely Only on Means and Standard Deviations?”. Journal of Human Sport and Exercise 10 (2):602-14. https://doi.org/10.14198/jhse.2015.102.07.