Table 2 Quality Assessment of all studies

1

Brown&Finkelstein (2008) [14]

●

※

●

△

2

Ariizumi (2008) [15]

●

※

●

●

3

Yamada et al. (2009) [16]

△

●

●

●

4

Ohwaki et al. (2009) [17]

●

※

●

※

5

Yoshioka et al. (2010) [18]

※

●

●

※

6

Campbell, et al. (2010) [19]

●

●

●

●

7

Seok(2010) [20]

●

※

●

●

8

Iwamoto et al. (2010) [21]

●

※

●

△

9

Buscher et al. (2010) [22]

●

●

●

●

10

Schut& van den Berg (2010) [23]

●

●

●

※

11

Rothgang (2010) [24]

●

△

●

●

12

Zuchandke et al. (2010) [25]

●

●

●

●

13

Costa-Font (2010) [26]

△

※

●

△

14

Tomita et al. (2010) [27]

●

※

●

※

15

Tamiya et al. (2011) [28]

●

※

●

●

16

Kang et al. (2012) [29]

●

△

●

●

17

Schwarzkopf et al. (2012) [30]

●

※

●

※

18

Olivares-Tirado et al. (2012) [31]

●

※

●

△

19

Washio et al. (2012) [32]

●

●

●

●

20

Chon (2012) [33]

※

△

●

△

21

Chen et al. (2013) [34]

●

●

●

※

22

Chon (2013) [35]

●

※

●

●

23

Kim& Choi (2013) [36]

●

※

●

△

24

Kim et al. (2013) [37]

●

●

●

●

25

Umegaki et al. (2014) [38]

△

※

●

△

26

Shen et al. (2014) [39]

●

※

●

※

27

Lee et al. (2014) [40]

●

※

●

●

28

Cremer&Pestieau(2014) [41]

●

△

●

●

29

Chon(2014) [42]

●

※

●

※

30

Hyun et al. (2014) [43]

●

※

●

△

31

Costa-Font&Courbage (2015) [44]

●

※

●

●

32

Kim& Lim (2015) [45]

△

●

●

●

33

Bakx et al. (2015) [46]

●

※

●

※

34

Bakx,&Schut&van Doorslaer (2015) [47]

※

●

●

※

35

Geyer&Korfhage (2015) [48]

●

●

●

●

36

Park (2015) [49]

●

※

●

●

37

Rhee et al. (2015) [2]

●

※

●

△

38

Strier&Werner (2016) [50]

●

●

●

●

39

Ha et al. (2017) [51]

●

※

●

●

40

Bascans et al. (2017) [52]

●

※

●

●

41

Geyer et al. (2017) [53]

●

※

●

※

42

Fu et al. (2017) [54]

●

●

●

△

43

Wang et al. (2018) [55]

●

●

●

※

44

Saito et al. (2018) [56]

●

※

●

●

45

Nadash et al. (2018) [57]

※

△

●

※

46

Ayalon (2018) [58]

●

※

●

●

47

Kato (2018) [59]

●

※

●

●

48

Choi et al. (2018) [60]

●

※

●

●

49

Schmitz&Giese (2019) [61]

●

●

●

●

50

Kim et al. (2019) [62]

●

●

●

●

51

Zhu&Osterle (2019) [63]

※

△

●

△

52

Kondo (2019) [64]

●

●

●

※

53

Zhang&Yu (2019) [65]

●

※

●

●

54

Sohn et al. (2020) [66]

●

※

●

△

55

Yang et al. (2020) [67]

●

※

●

※

56

Zhang et al. (2020) [68]

※

●

●

※

57

Courbage et al. (2020) [69]

●

●

●

●

58

Chandoevwit&Wasi (2020) [70]

●

※

●

●

59

Feng et al. (2020) [71]

●

※

●

△