Fig. 5.
Lifetime of CEFs. The maximum is ∼7 h, and the median is 
h. Colors mark nLB-CEFs (dark blue) and LB-CEFs (light blue). Thick lines show the best fit of a log-normal function (Eq. (7)) to the distributions of nLB-CEFs (dark blue), LB-CEFs (light blue), and the whole sample (green line). The cumulative curve is shown in black.
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