1. School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom2University Hospitals Bristol National Health Services Foundation Trust National Institute for Health Research Bristol Nutrition Biomedical Research Unit, University of Bristol, Bristol, United Kingdom3Medical Research Council Integrative Epidemiology Unit at the University of Bristol, Bristol, United Kingdom
2. Departments of Pediatrics and of Epidemiology, Biostatistics, and Occupational Health, McGill University Faculty of Medicine, Montreal, Quebec, Canada
3. School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom
4. Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts
5. National Research and Applied Medicine Mother and Child Centre, Minsk, Republic of Belarus