Username:
Letters, digits and @/./+/-/_ only.

Email:
Inform a valid email address.

Password:

• Your password can’t be too similar to your other personal information.
• Your password must contain at least 8 characters.
• Your password can’t be a commonly used password.
• Your password can’t be entirely numeric.

Password confirmation:
Enter the same password as before, for verification.

First name:
First name.

Last name:
Last name.

Institution:
Your institution.

Website url:
URL of your website (optional)