n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
6.9 months
12.1 months
n/a
2.0 rounds
3.0 reports
moderate
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
2.7 months
3.5 months
n/a
2.0 rounds
2.0 reports
very difficult
1.4 months
1.8 months
n/a
2.0 rounds
3.0 reports
moderate