If this is the first time you use this system, please register according to

the following steps：
    (1) New users register；
    (2) Upon receipt of the confirmation letter, please click on the link given in

the letter to activate the new account；

    (3) Please login with your E-mail and password to summit manuscripts or check

    the status of your manuscripts.

If you have already registered, please fill in your E-mail and password to

login.