1. Plastic and Reconstructive Surgery, “UMAE Hospital de Especialidades Dr. Bernardo Sepúlveda Gutiérrez, Centro Médico Nacional Siglo XXI, Mexican Social Security Institute (IMSS), Mexico City, Mexico
2. Neural Dynamics and Modulation Lab, Cleveland Clinic, Cleveland, Ohio
3. Department of Neurosurgery, “Hospital Regional 1º de Octubre,” Institute of Social Security and Services for State Workers (ISSSTE), Mexico City, Mexico
4. Brain Research Institute, Universidad Veracruzana, Xalapa, Mexico
5. Plastic and Reconstructive Surgery, “Centro Médico Nacional 20 de noviembre,” Institute of Social Security and Services for State Workers (ISSSTE), Mexico City, Mexico.