ok so under the aadsas "Dental School Designations" category I have two mailing dates for each school...I am little confused what this is suppose to mean. For example for: NYU it says date designated 7/16/2013 and then a mailing date of 7/19/2013 and mailing status "mailed". But right under that there is another mailing date of 9/06/2013 and mailing status of "not mailed". What does this mean exactly? Thanks in advance.