1 Department of Health Sciences and Health Policy, University of Lucerne and Swiss Paraplegic Research, Frohburgstrasse 3, 6002, Lucerne, Switzerland.
2 Unit for High Impact Events Preparedness, Department of Epidemic and Pandemic Preparedness and Prevention, Emergency Preparedness Programme, World Health Organization, Ave Appia 21, 1202, Geneva, Switzerland. [email protected].
3 Demand for Immunization Team, Global Immunization Division, US Centers for Disease Control and Prevention, 1600 Clifton Rd NE, Atlanta, USA.
4 Workforce Development Team, Global Immunization Division, US Centers for Disease Control and Prevention, 1600 Clifton Rd NE, Atlanta, USA.
5 Demand for Immunization, Health Section, UNICEF, Plaza, NY, 3 UN, USA.
6 School of Public Health, Brown University, 121 S Main St, Providence, RI, 02903, USA.
7 Unit for High Impact Events Preparedness, Department of Epidemic and Pandemic Preparedness and Prevention, Emergency Preparedness Programme, World Health Organization, Ave Appia 21, 1202, Geneva, Switzerland.
8 Department of Epidemic and Pandemic Preparedness and Prevention, Emergency Preparedness Programme, World Health Organization, Ave Appia 21, 1202, Geneva, Switzerland.