1 
17(7.7%)
2 
13(5.9%)
3 
8(3.6%)
4 
16(7.2%)
5 
6(2.7%)
6 
5(2.3%)
7 
11(5.0%)
8 
18(8.1%)
9 
4(1.8%)
10 
21(9.5%)
11 
3(1.4%)
12 
9(4.1%)
13 
33(14.9%)
14 
30(13.6%)
15 
15(6.8%)
16 
4(1.8%)
17 
2(0.9%)
18 
6(2.7%)
Journal information