 Complete the following phrase:  Doroftei took up boxing at the age of 14 at the Ploieşti boxing club. From 1983 to 1984, he won every Romanian national junior title. He went on to win four national senior titles in 19921994 and 1997. He won bronze medals at the 1992 Summer Olympics in Barcelona and the 1996 Summer Olympics in Atlanta. In addition, he was declared World Champion in 