1. Department of MedicineUniversity of Sao Paolo, Sao Paolo, Brazil
2. London School of Hygiene and Tropical MedicineLondon, UK
3. School of Computer EngineeringNanyang Technological University, Singapore
4. Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Canada
5. Institute of Public HealthUniversity of Heidelberg, Germany
6. Department Public Health and Clinical MedicineEpidemiology and Global Health, Umeå University, SE-901 85 Umeå, Sweden
7. Lee Kong Chian School of MedicineNanyang Technological University, Singapore