| Institution: | 1. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada;2. Medical Research Unit in Biochemistry, Hospital de Especialidades, Centro Médico Nacional Siglo XXI del Instituto Mexicano del Seguro Social, Mexico City, Mexico;3. Centro de investigación sobre enfermedades infecciosas, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, Mexico;4. Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada |
