An article entitled “The F3-index. Valuing reviewers for scholarly journals” by Federico Bianchi, Francisco Grimaldo & Flaminio Squazzoni has been published in the Journal of Informetrics, Volume 13, Issue 1, February 2019, Pages 78-86. A preliminary version of this article was presented at the PEERE International Conference on Peer Review, in Rome, March 2018. The article is fully accessible here. Abstract. This paper presents an index that measures reviewer contribution…