Javier A. Galnares-Olalde, Headache Disorders Clinic, Instituto Nacional de Neurologia y Neurocirugia Manuel Velasco Suarez, Mexico City, Mexico
Juan C. López-Hernández, Department of Neurologidal Emergencies, Instituto Nacional de Neurologia y Neurocirugia Manuel Velasco Suarez, Mexico City, Mexico
Jorge de Saráchaga-Adib, Department of Neurology, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City, Mexico
Roberto Cervantes-Uribe, Department of Neuromuscular Disease, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City, Mexico
Edwin S. Vargas-Cañas, Clinic of Neuromuscular Diseases, National Institute of Neurology and Neurosurgery Dr. Manuel Velasco Suarez, Mexico City, Mexico