  We study the ability of a variety of fitting techniques to extract the ground
state matrix elements of the vector current from ratios of nucleon three- and
two-point functions that contain contaminations from excited states. Extending
our high-statistics study of nucleon form factors, we are able to demonstrate
that the treatment of excited-state contributions in conjunction with
approaching the physical pion mass has a significant impact on the
$Q^2$-dependence of the form factors.
