1 
15(11.5%)
2 
16(12.3%)
3 
9(6.9%)
4 
2(1.5%)
5 
1(0.8%)
6 
2(1.5%)
7 
14(10.8%)
8 
8(6.2%)
9 
11(8.5%)
10 
4(3.1%)
11 
6(4.6%)
12 
3(2.3%)
13 
1(0.8%)
14 
6(4.6%)
15 
6(4.6%)
16 
6(4.6%)
17 
10(7.7%)
18 
10(7.7%)
Journal information