[2] Hong Su-Jong made the national gymnastics team in 2003.

[3] In October 2010, It was announced Hong Su-jong was under investigation after several discrepancies surfaced over her reported year of birth and age-eligibility for senior competition.

[4] Subsequently, North Korea was banned from taking part in the 2010 World Artistic Gymnastics Championships, as the Fédération Internationale de Gymnastique announced it was not satisfied with the explanation provided by North Korea for having entered Hong Su-jong with three different birth dates (1985, 1986 or 1989), in different competitions.

In particular, she had taken part in the 2004 Olympics claiming to have been born in 1985; her subsequently announced birth date of 1989 meant that she would have been too young to compete in 2004.

announced that due to the age discrepancies, North Korean gymnasts were banned from all international competition until 5 October 2012.