n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
1.5 months
2.3 months
n/a
2.0 rounds
2.0 reports
very difficult
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
3.0 months
4.0 months
n/a
2.0 rounds
2.0 reports
moderate