Completed the following sentence: Nielsen won the gold medal at the 1997 FIBA Under-21 World Championship with Australia's junior national team.<unk> Completed the following sentence: Nielsen won the gold medal at the 1997 FIBA Under-21 World Championship with Australia's junior national team. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ With Australia's senior national team, he won gold medals at the 2001 Goodwill Games, the 2003 FIBA Oceanian Championship, and the 2005 FIBA Oceania Championship. <unk> <unk> <unk> <unk> <unk>
2012 Olympics.