1 
57(29.7%)
2 
8(4.2%)
3 
9(4.7%)
4 
3(1.6%)
5 
2(1.0%)
6 
7(3.6%)
7 
3(1.6%)
8 
10(5.2%)
9 
10(5.2%)
10 
13(6.8%)
11 
1(0.5%)
12 
3(1.6%)
13 
9(4.7%)
14 
10(5.2%)
15 
30(15.6%)
16 
12(6.2%)
17 
2(1.0%)
18 
3(1.6%)
Journal information