Published on in Vol 19 , No 12 (2017) :December

1 Malawi Epidemiology and Intervention Research Unit , London School of Hygiene and Tropical Medicine , London , GB
2 University College London , London , GB
3 Public Health England , London , GB
4 Department of Computer Science , University College London , London , GB
5 Microsoft Research , Herzliya , IL
6 Department of Computer Science , University of Copenhagen , Copenhagen , DK
*these authors contributed equally