Tsuyoshi Sasaki*, Tasuku Hashimoto, Tomihisa Niitsu, Nobuhisa Kanahara and Masaomi Iyo
* Corresponding author: Tsuyoshi Sasaki sasaki@faculty.chiba-u.jp
Annals of General Psychiatry 2012, 11:12 doi:10.1186/1744-859X-11-12
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