About the Authors

Emiliano Albanese

emiliano.albanese@nih.gov

Affiliation Institute of Psychiatry, King’s College London, London, United Kingdom

Flavia L. Lombardo

Affiliation Department of Epidemiology, Italian National Institute of Health, Rome Italy

Alan D. Dangour

Affiliation Department of Nutrition and Public Health Intervention Research, London School of Hygiene and Tropical Medicine, London, United Kingdom

Mariella Guerra

Affiliation Psychogeriatric Unit, National Institute of Mental Health “Honorio Delgado Hideyo Noguchi”, Lima, Perú

Daisy Acosta

Affiliation Internal Medicine Department, Universidad Nacional Pedro Henriquez Ureña (UNPHU), Santo Domingo, Dominican Republic

Yueqin Huang

Affiliation Institute of Mental Health, Peking University, Beijing, China

K. S. Jacob

Affiliation Christian Medical College, Vellore, India

Juan de Jesus Llibre Rodriguez

Affiliation Facultad de Medicina Finley-Albarran, Medical University of Havana, Havana, Cuba

Aquiles Salas

Affiliation Faculty of Medicine, Universidad Central de Venezuela, Caracas, Venezuela

Claudia Schönborn

Affiliation Institute of Psychiatry, King’s College London, London, United Kingdom

Ana Luisa Sosa

Affiliation National Institute of Neurology and Neurosurgery of Mexico, Mexico City, Mexico

Joseph Williams

Affiliation Institute of Community Health, Chennai, India

Martin J. Prince

Affiliation Institute of Psychiatry, King’s College London, London, United Kingdom

Cleusa P. Ferri

Affiliation Institute of Psychiatry, King’s College London, London, United Kingdom

Competing Interests

The authors have read the journal’s policy and have the following conflicts: One of the authors (AS) has a commercial affiliation with CANTV; aquiles@cantv.net. Alzheimer’s Disease International (ADI) is supported in part by grants from GaxoSmithKline, Novartis, Lundbeck, Pfizer, and Eisai. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. The authors have declared that no other competing interests exist.

Author Contributions

Conceived and designed the experiments: EA MJP. Performed the experiments: MG DA YH KSJ JLR AS ALS JW. Analyzed the data: EA FLL. Contributed reagents/materials/analysis tools: EA. Wrote the paper: EA. Extensively revised the manuscript through all stages and provided relevant advice: ADD CPF CS.