“…They were thoroughly screened, and 24 out of them were selected, and 13 were excluded since they did not have sufficient data to qualify for the systematic review. Finally, 24 studies were included in the systematic review, the characteristics of which are shown in The countries where the included studies were conducted were France [22,32,34], Switzerland [25,28], Ireland [29], USA [13,20,24,26,30,31,33,35], Turkey [36] and Asia [18,19,21,23,27,[37][38][39][40]. The study period in those studies varied from five years to 18 years.…”