“…From the Asian applications, China was the country with more studies (comprising 48 articles [38,40,41,46,), from which Beijing stands out with 17 studies [62, 63, 65, 74, 80, 81, 83-85, 87, 88, 92-94, 96, 98, 102]. Real networks or case study applications may include universities' campi [36,[103][104][105][106][107][108], neighbourhoods and districts [46,80,95,98,102,109], or studies that only consider some transport lines/stations within a city or transport network [71,81,86,93,96,[110][111][112].…”