1. Faculty of Nursing, Kilimanjaro Christian Medical University College, Moshi, Tanzania
2. Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
3. Department of Health Promotion, Sopiahemmet University, Stockholm, Sweden
4. Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
5. Department of Material Sciences, Norwegian University of Technology and Science, Trondheim, Norway
6. Kilimanjaro Christian Medical Centre Cancer Care Centre, Moshi, Tanzania
7. Institute of Public Health, Kilimanjaro Christian Medical University College, Moshi, Tanzania
8. Department of Nursing, School of Health and Welfare, Jönköping University, Jönköping, Sweden