Exemplar puffing profiles for participants 1 through 10.

<p>Each panel presents analysis results of a single exemplar puffing session selected from among <i>7 days</i> of natural use enviroment ENDS puffing sessions by a single participant. The plots in each panel illustrates the mean puff flow rate, puff start time and puff end time as a function of time since the beginning of the puffing session.