1. The Herbert Wertheim School of Public Health and Human Longevity Science, University of California San Diego, San Diego, California, USA
2. School of Public Health, San Diego State University, San Diego, California, USA
3. Fundación Cimas del Ecuador, Quito, Ecuador
4. Department of Pediatrics, University of California San Diego, San Diego, California, USA
5. Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
6. Department of Psychiatry, University of California San Diego, San Diego, California, USA