1. Department of International Health; University of Tampere School of Medicine; Tampere Finland
2. Centre for Quantitative Medicine; Duke-National University of Singapore Graduate Medical School; Singapore Singapore
3. Department of Biostatistics; Singapore Clinical Research Institute; Singapore Singapore
4. School of Life Sciences; University of Glasgow; Glasgow UK
5. Department of Community Health; University of Malawi College of Medicine; Blantyre Malawi
6. Department of Pediatrics; Tampere University Hospital; Tampere Finland