1. Athena Institute for Research on Innovation and Communication in Health and Life Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
2. Department of Public Health, Institute of Tropical Medicine, Antwerp, Belgium
3. Department of Social Medicine, Faculty of Public Health, Thai Nguyen University of Medicine and Pharmacy, Thai Nguyen, Vietnam
4. Guelph International Health Consulting, Amsterdam, The Netherlands