1. Department of Sports, North China Institute of Science and Technology , Langfang , Hebei, 065201 , China
2. Platinum Software Development Company , 67-170, Punane tn Lasnamae linnaosa , Tallin , 13619 , Estonia
3. Platinum Software Development Company , 67-170 Punane Str., Lasnamae Distr. , Tallin , 13619 , Estonia
4. Head of HR Department , Platinum Software Development Company , 67-170 Punane Str., Lasnamae Distr. , Tallin , 13619 , Estonia