title: Erratum to: Characterization of graphomotor functions in individuals with Parkinson's disease and essential tremor.
authors.affiliation: Department of Physical Therapy, I-Shou University, Kaohsiung City, Taiwan.
authors.forename: Nan-Ying
authors.initials: NY
authors.lastname: Yu
authors.affiliation: School of Kinesiology, Louisiana State University, Baton Rouge, LA, 70803, USA.
authors.forename: Arend W A
authors.initials: AWA
authors.lastname: Van Gemmert
authors.affiliation: Department of Occupational Therapy, I-Shou University, No. 8, Yida Road, Yanchao District, Kaohsiung City, 82445, Taiwan. stacey12@mail.isu.edu.tw.
authors.forename: Shao-Hsia
authors.initials: SH
authors.lastname: Chang