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. 2016 Mar 8;6(3):e009594. doi: 10.1136/bmjopen-2015-009594

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Flow chart of study process. FS-14, Fatigue scale-14; HAMA, Hamilton Anxiety scale; HAMD, Hamilton Depression scale; HAS, Hyperarousal scale; HRV, heart rate variability; MSCI, morning salivary cortisol level; PSG, polysomnography; PSQI, Pittsburgh Sleep Quality Index.