[1] Shandong Univ, Sch Basic Med Sci, Dept Anat, Jinan 250012, Shandong, Peoples R China
[2] Shandong Univ, Dept Anesthesiol, Hosp 2, Jinan, Peoples R China
[3] McGill Univ, Dept Psychiat, Montreal, PQ, Canada
[4] Ist Sci San Raffaele, Milan, Italy
[5] Univ Vita Salute San Raffaele, Milan, Italy