Author are not allowed to withdraw submitted manuscripts, because the withdrawals are waste of valuable resources that editors and referees spent a great deal of time processing submitted manuscript, money and works invested by the publisher. If authors still request withdrawal of their manuscripts when the manuscripts are still in the peer-reviewing process, authors will be punished with paying $200 per manuscript, as withdrawal penalty to the publisher. However, it is unethical to withdraw a submitted manuscripts from one journal if accepted by another journal. The withdrawal of manuscripts after the manuscripts are accepted for publication, author will be punished by paying US$500 per manuscript. Withdrawal of manuscripts are only allowed after withdrawal penalty has been fully paid to the publisher.