1.   Tracking families allowed the researchers to see how many people climbed out of the bottom ranks to better their lives.

2.   Austria could have been kicked out of the competition for a year or relegated to the bottom ranks.

3.   Austria might have been kicked out of Davis Cup competition for a year or relegated to the bottom ranks.

4.   Muster could have been suspended from Davis Cup play, or Austria could be kicked out of the competition for a year or relegated to the bottom ranks.