 Complete the following phrase:  In 1999, Atiku represented the Ghana under-17 team at 1999 FIFA U-17 World Championship in New Zealand and later was part of the Ghana under-20 side at the 2001 FIFA World Youth Championship in Argentina. In 2010, Atiku participated in training with the Ghana senior team but eventually was not invited to play any official games. He was later called up to the squad to play Nigeria in August 2011, but the match was called off due to the 