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Wirrell E, Eckert S, Wong-Kisiel L, Payne E, Nickels K.Wirrell E, et al. Among authors: nickels k.Pediatr Neurol. 2018 May;82:13-18. doi: 10.1016/j.pediatrneurol.2017.10.018. Epub 2018 Jan 31.Pediatr Neurol. 2018.PMID: 29610033