The submitted manuscript is first reviewed by an editor. It will be evaluated in the office whether it is suitable with our focus and scope or has a major methodological flaw. These manuscript will be sent to two reviewers anonymously (Double Blind Peer Review). Reviewers' comment are then sent to corresponding author to take the necessary actions and responses. The decision of the revised manuscript will be then evaluated in editorial board meeting, the final decision of whom are sent to the corresponding author.