1. MMGH Consulting GmbH, 8049 Zurich, Switzerland
2. Department of Immunization, Vaccines and Biologicals, World Health Organization, 1202 Geneva, Switzerland
3. John Snow, Inc. (JSI), Arlington, VA 22202, USA
4. Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry 605006, India
5. Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
6. Wits RHI, University of Witwatersrand, Johannesburg 2001, South Africa