1. School of Medicine and Research Center, Universidad Espíritu Santo – Ecuador, Samborondón (O.H.D.B., B.Y.R., D.A.R.).
2. Department of Biostatistics/Epidemiology, Freenome, Inc, South San Francisco, CA (R.M.M.).
3. Department of Neurology, University of Miami, Miller School of Medicine, FL (V.J.D.B.), USA.