[1] Hangzhou Normal Univ, Int Unrespons Wakefulness Syndrome & Consciousnes, Hangzhou, Zhejiang, Peoples R China
[2] Hangzhou Normal Univ, Sch Publ Hlth, Dept Hlth Management, Hangzhou, Zhejiang, Peoples R China
[3] Hangzhou Wujing Hosp, Hangzhou, Zhejiang, Peoples R China
[4] Univ Liege, GIGA Consciousness, Coma Sci Grp, Liege, Belgium
[5] Univ Liege, Ctr Cerveau, Liege, Belgium
[6] Univ Hosp Liege, Liege, Belgium
[7] Sun Yat Sen Univ, Sch Publ Hlth, Guangzhou, Guangdong, Peoples R China