Did you get an email with the password for your account?
Did you check the phpbb_users table to see that he import went correctly?
I question your use of TAB as the enclosure character. Enclosure character is what denotes a complete field. Double quotes are usually used as the enclosure character. If your csv file is like the sample you posted, I would leave the enclosure character field blank.
I do not have a workaround for the Custom Profile Field with a dropdown menu. I honestly haven't looked into using this option.
cost of gastric sleeve