“…We ruled out 5 works with these exclusion criteria, leaving a total of 40 papers. The amount of papers found in each step is detailed in Table 45 Discarded with exclusion criteria [5,55,91,137,139] 5 Total articles [7, 15, 35, 37, 39, 43, 46-48, 50, 60, 65, 66, 74, 83-85, 87, 90, 92, 93, 95, 114, 114, 117, 120, 122, 125, 126, 136, 140, 142, 143, 145-150, 150, 154, 155, 155] 40 Table 1. Papers found for each query and database, and included or discarded with different criteria.…”