“…The majority of the articles 13 (22.3%) were published in China [ 21 , 25 – 28 , 42 , 60 , 62 – 64 , 68 , 72 , 77 ], 4 (6.9%) Europe [ 48 , 49 , 74 , 75 ], 4 (6.9%) South Korea [ 31 , 54 , 61 , 65 ], 4 (6.9%) Serbia [ 34 , 36 , 39 , 52 ], 3 (5.2%) Japan [ 20 , 30 , 40 ], 2 (3.4%) Italy [ 22 , 33 ], 2 (3.4%) Thailand [ 35 , 57 ], 2 (3.4%) France [ 46 , 56 ], 2 (3.4%) Spain [ 43 , 59 ], 2 (3.4%) Slovenia [ 47 , 71 ], 2 (3.4%) Switzerland [ 45 , 70 ], and the rest were in different countries [ 23 , 29 , 32 , 37 , 38 , 41 , 44 , 50 , 51 , 53 , 55 , 58 , 66 , 67 , 69 , 73 , 76 , 77 ]. The majority of the articles 11(23.4%) were published in 2017 [ 22 , 33 , 36 , 44 , 47 , 48 , 52 , 56 , 59 , 64 , 67 ], 2018 […”