“…Studies [ 19 , 21 , 24 , 25 , 33 , 34 , 35 , 37 , 39 , 40 , 43 , 45 , 47 ] were all carried out and published in the US. There have been just two investigations undertaken in Turkey [ 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 ], two more in Australia [ 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 ], and two in Indonesia [ 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 ]. In the interim, 12 papers were published globally, accounting for 39% of the articles examined: Ref.…”