Reliability in multi-site structural MRI studies: Effects of gradient non-linearity correction on phantom and human data. - Jorge Jovicich; Silvester Czanner; Douglas N. Greve; Elizabeth Haley; André J. W. van der Kouwe; Randy L. Gollub; David N. Kennedy; Franz Schmitt; Gregory Brown; James R. MacFall; Bruce Fischl; Anders M. Dale (NeuroImage, 2006)