1. Iberoamerican Cochrane Centre; C/ Sant Antoni Maria Claret 167 Pavelló 18 Planta 0 Barcelona Barcelona Spain 08025
2. Universidad de Antofagasta; Faculty of Medicine and Dentistry; Antofagasta Chile
3. Institut Català de Neurociències Aplicades; Alzheimer Research Center and Memory Clinic of Fundació ACE; Barcelona Spain
4. Ramon y Cajal Institute for Health Research (IRYCIS), CIBER Epidemiology and Public Health (CIBERESP), Madrid (Spain) and Women's Health Research Unit, Centre for Primary Care and Public Health, Queen Mary University of London; Clinical Biostatistics Unit; London Madrid UK
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. Universitat Autònoma de Barcelona; Sant Antoni Maria Claret, 167 Pavilion 18 (D-13) Barcelona Catalunya Spain 08025
7. University of Western Australia; Western Australian Centre for Health & Ageing - WACHA; Crawley Perth Western Australia Australia 6014