Former Livestrong donor Michael Birdsong of Salt Lake City is among them . NEW : Lance Armstrong urges his supporters to continue fighting cancer . NEW : It his first public statement since the findings emerged . Comment: The sport 's governing body is to respond to the Armstrong dossier Monday .
NEW : Lance Armstrong urges his supporters to continue fighting cancer . NEW : It his first public statement since the findings emerged . Comment: The sport 's governing body is to respond to the Armstrong dossier Monday .