tid,participant_id,firstname,lastname,email,emailstatus,token,language,blacklisted,sent,remindersent,remindercount,completed,usesleft,validfrom,validuntil,mpid,attribute_1
1,NULL,Test,User,here@there.com,OK,12345,en,NULL,N,N,0,2012-10-31 13:10,-1,NULL,NULL,NULL,12345
2,NULL,,,,OK,1,en,NULL,N,N,0,2012-10-31 03:39,0,NULL,NULL,NULL,
3,NULL,,,,OK,2,en,NULL,N,N,0,2012-10-31 11:26,-1,NULL,NULL,NULL,
4,NULL,,,,OK,3,en,NULL,N,N,0,N,1,NULL,NULL,NULL,2
5,NULL,,,,OK,4,en,NULL,N,N,0,2012-10-31 12:50,0,NULL,NULL,NULL,4