Sailor's manager confirmed in a statement it was a doping offence.

He was cleared by the German cycling federation of a doping offence.

However after the games it was decided that a doping offence had been committed and her Olympic result was annulled.

It was his second doping offence and last month he was banned from athletics for life.

Abnormalities in her biological passport showed proof that she had committed doping offences.

He later was disqualified due to a doping offence.

Since 1995, 15 players from the Bundesliga's first and second divisions have been accused of doping offences.

As this was her second doping offence she was given a lifetime ban from competitive athletics.

He received a two-year suspension for a doping offence on 7 August 2001.

Hamilton retired from the sport in 2009 after receiving an eight-year ban for a second doping offence.