1. Global Health Section, Department of Public Health, University of Copenhagen, Øster Farimagsgade 5, Building 9, 1353 Copenhagen, Denmark.
2. Mnazi Mmoja Hospital, Zanzibar, United Republic of Tanzania.
3. Health Promotion Research, Steno Diabetes Center Copenhagen, Gentofte, Denmark.
4. Athena Institute, Vrije Universiteit Amsterdam, Amsterdam, Netherlands.