Danvers missed the 2009 World Championships in Athletics due to injury.
A groin injury in July cut short his season and forced him to miss the World Championships.
This try-out almost forced him to miss the 2006 World Championships.
The injury forced her to miss the 2007 World Championships in Stuttgart.
The pair missed the World Championships that year as a result of the disqualification.
She missed the World Championships in 2011 because of health problems.
Therefor he will miss the World Championships and is unable to defend his bronze medal from 2006.
She had to miss the 1999 World Championships.
Because of her pregnancy, Jones missed the 2003 World Championships, but spent a year preparing for the 2004 Olympics.
She did not win any competitions in the 1998-99 season and missed both the European and the World Championships.
