id  dob         doe         dox         dor         dod  sex  diag
RU  1980-11-12  1990-05-12  2003-08-07  2000-06-03   2   1    3875B
LQ  1967-12-29  2002-08-19  2008-09-12  2001-07-11  NA   2    3875A
JK  1975-12-26  1983-05-12  2003-03-31  NA           5   1    3670B
RH  1971-10-18  1993-09-12  2008-03-14  1997-11-12   2   2    3873A
MJ  1973-10-01  1975-12-12  2002-09-12  NA          NA   2    3875B