1. Pain CenterDepartment of NeurologyUniversity of São Paulo São Paulo Brazil
2. Instituto de Ortopedia e TraumatologiaDivision of Physical Medicine and RehabilitationUniversity of São Paulo São Paulo Brazil
3. School of MedicineUniversity of City of São Paulo (UNICID) São Paulo Brazil
4. Pain CenterInstituto do Câncer do Estado de São Paulo São Paulo Brazil