“…Of the 18 (86%) articles specifying the study period, the data were obtained from 1997 to 2016 (Table 2). Two studies were pan-Canadian with 4 studies reporting data from multiple regions (all ten provinces and Yukon) (12-17), 9 from Ontario (18-26), 3 from Alberta (27-29), 1 from Quebec (31), 1 from Manitoba (30), and 1 from British Columbia (32).…”