1. Iberoamerican Cochrane Network, Surcolombian University; Neiva Hulia Colombia
2. MEDITECH Foundation; Calle 5#11-19 Neiva Huila Colombia
3. Department of Neurological Surgery, University of Pittsburgh; Brain Trauma Research Centre; UPMC Presbyterian, Suite B‑400 200 Lothrop Street Pittsburgh PA USA 15213
4. Universidad del Valle; Department of Pediatrics; Cali Valle del Cauca Colombia 760001
5. CIBER Epidemiología y Salud Pública (CIBERESP); Iberoamerican Cochrane Centre, Biomedical Research Institute Sant Pau (IIB Sant Pau); Sant Antoni Maria Claret 167 Pavilion 18 Barcelona Catalunya Spain 08025
6. Equinoccial Technological University; Cochrane Ecuador. Center for Research in Public Health and Clinical Epidemiology (CISPEC). Eugenio Espejo School of Health Sciences; Avenida República de El Salvador 733 y Portugal Edificio Gabriela 3. Of. 403 Casilla Postal 17-17-525 Quito Ecuador
7. Universitat Autònoma de Barcelona; Sant Antoni Maria Claret, 167 Pavilion 18 (D-13) Barcelona Catalunya Spain 08025