Lessons learned from the development of a new methodology to assess missed opportunities for vaccination in Latin America and the Caribbean
1 Comprehensive Family Immunization Unit, Pan American Health Organization/ World Health Organization, 525 23rd St, NW, Washington 20037, DC, USA
2 Vanderbilt School of Medicine, Nashville, TN, USA
3 Center for Research on Infectious Diseases (CISEI in Spanish), National Institute of Public Health (INSP), Mexico City, Mexico
4 Centers for Disease Control and Prevention, Atlanta, GA, USA