exposure relative to the indirect path. $A^*$ is set to the actual value of the exposure $A$ for the first replication, to the other potential values of $A$ for the remaining replications. For the example discussed in table 1 and 2, the corresponding extended data set is provided in table 3.

   Individual   Start   Stop   Status   $A$   $A^*$    $M_t$     $M_{t-1}$    $L_t$     $L_{t-1}$    $L_0$
  ------------ ------- ------ -------- ----- ------- ---------- ----------- ---------- ----------- ----------
       1          0      1       0       1      1        0           0          0           0       $l_{01}$
       1          1     1.5      1       1      1     $m_{11}$       0       $l_{01}$       0       $l_{01}$
       2          0     0.9      2       0      0        0           0          0           0       $l_{02}$
       3          0      1       0       1      1        0           0          0           0       $l_{03}$
       3          1      2       0       1      1     $m_{13}$       0       $l_{13}$       0       $l_{03}$
       3          2      3       0       1      1     $m_{23}$   $m_{13}$    $l_{23}$   $l_{13}$    $l_{03}$
       1          0      1       0       1      0        0           0          0           0       $l_{01}$
       1          1     1.5      1       1      0     $m_{11}$       0       $l_{01}$       0       $l_{01}$
       2          0     0.9      2       0      1        0           0          0           0       $l_{02}$
       3          0      1       0       1      0        0           0          0           0       $l_{03}$
       3          1      2       0       1      0     $m_{13}$       0       $l_{13}$       0       $l_{03}$
       3          2      3       0       1      0     