1. Department of Pediatrics, Santa Casa De São Paulo School of Medical Sciences, São Paulo, Brazil
2. Translational Pediatrics and Infectious Diseases, Pediatrics Department, Hospital Clínico Universitario De Santiago De Compostela, Santiago De Compostela, Spain
3. Genetics, Vaccines and Pediatrics Research Group, Universitario De Santiago De Compostela, Instituto De Investigación Sanitaria De Santiago De Compostela, Santiago De Compostela, Spain
4. Pfizer Vaccine Medical Development, Scientific and Clinical Affairs, Collegeville, PA, USA
5. Pfizer Vaccines, Medical and Scientific Affairs, Collegeville, PA, USA