Global Burden of Disease Studies
GL Birbeck, University of Rochester, Rochester, NY, USA, University of Zambia, Lusaka, and Chikankata Health Services, Mazabuka, Zambia
TJ Steiner, Norwegian University of Science and Technology (NTNU), Trondheim, Norway, and Imperial College London, London, UK
LJ Stovner, Norwegian University of Science and Technology (NTNU), and St Olavs Hospital, Trondheim, Norway