[1] Inst Nacl Ciencias Neurol, Basic Res Ctr Dementias & Cent Nervous Syst Demye, Lima, Peru
[2] Clin Delgado, Neurosonol, Lima, Peru
[3] Univ Nacl Mayor San Marcos, Fac Med, Lima, Peru
[4] Red Eficacia Clin & Sanitaria REDECS, Lima, Peru
[5] Univ Cient Sur, Grp Invest Neurociencia Efectividad Clin & Salud, Lima, Peru
[6] Hosp Daniel Alcides Carrion, Dept Med & Oficina Apoyo Docencia & Invest OADI, Serv Neurol, Callao, Peru
[7] Hosp Nacl Maria Auxiliadora, Serv Neurol, Lima, Peru
[8] Univ Nacl Federico Villarreal, Fac Med Hipolito Unanue, Lima, Peru
[9] Inst Nacl Salud INS, Lima, Peru