[1] Univ Sao Paulo, Sch Med, Dept Neurol, Sao Paulo, Brazil
[2] Univ Sao Paulo, Sch Med, Dept Neurol, Interdisciplinary Pain Ctr,Hosp Clin, Sao Paulo, Brazil
[3] Univ Sao Paulo, Sch Med, Orofacial Pain Team, Dent Div,Hosp Clin, Sao Paulo, Brazil
[4] Univ Sao Paulo, Sch Arts Sci & Humanities, Sao Paulo, Brazil