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Han SS, Nam EC, Won JY, Lee KU, Chun W, Choi HK, Levine RA.Han SS, et al. Among authors: levine ra.J Neurol Neurosurg Psychiatry. 2012 Aug;83(8):821-7. doi: 10.1136/jnnp-2012-302273. Epub 2012 May 23.J Neurol Neurosurg Psychiatry. 2012.PMID: 22626945Clinical Trial.