1. Department of Infectious Diseases, Hospital del Niño, Panama City, Panama; Distinguished Member of the SNI, Senacyt, Panama
2. Department of Otorhinolaryngology Hospital del Niño, Panama City, Panama
3. Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT), Panama City, Panama
4. Health Research International, Panama City, Panama
5. GSK Vaccines, Panama City, Panama
6. GSK Vaccines, Wavre, Belgium