On the homepage, click the "Login" option, then select "Forgot your password?" Your username and password will be sent to your registered email.
No, only the corresponding author must register in the system. However, all authors should be aware of their commitment and responsibility regarding the paper, and the authorship commitment form must be completed with the acknowledgment and signatures of all authors.
No; there is no need to contact the journal office.
No; submitting article files to the journal's emails or outside the system is not permitted, and such articles will not be reviewed.