FCU;
Sao Paulo;
Brazil;
UFRN;
Natal;
Brazil;
UNINASSAU;
Natal;
Brazil;
FAK;
Fortaleza;
Brazil;
UFPB;
Joao Pessoa;
Brazil;
UFSC;
Florianópolis;
Brazil;
SBOC;
Sao Paulo;
Brazil;
Ludic Activity; Hospital; Children; Recreation; Playful; Cancer;