“…When assessing the contributions of the lead authors it is found that the average number of contributions from the 135 papers reviewed is 2 papers with the top four contributing first authors being Uhlmann [54] [55] [56], Lindstrom [57] [58] [59], Farnsworth [60] [61] [62], and McWilliam [62] [63] [64]. When reviewing the second authors it was observed that Shehab [65] [66] [67], and Roy [24] [68] [20] [69] all figure strongly. In terms of the geographic origin of the contributions it was observed that the majority of the literature emerges from Western Europe (UK, Sweden, Germany, Spain, Italy), the USA, and Japan.…”