In the original1 paper, the y-axis labels in Figure 5(a) are current I in nA, which should be in pA. The current height does not change the FWHM in Fig. 5(b), meaning that the further analysis and conclusions are unchanged.

1.
F.
Mueller
,
R. N.
Schouten
,
M.
Brauns
,
T.
Gang
,
W. H.
Lim
,
N. S.
Lai
,
A. S.
Dzurak
,
W. G.
van der Wiel
, and
F. A.
Zwanenburg
,
Rev. Sci. Instrum.
84
,
044706
(
2013
).