About the Authors

Andreia N. Horácio

Roles Investigation, Writing – original draft, Writing – review & editing

Affiliation Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal

Catarina Silva-Costa

Roles Supervision, Writing – review & editing

Affiliation Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal

Elísia Lopes

Roles Investigation

Affiliation Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal

Mário Ramirez

Roles Conceptualization, Formal analysis, Project administration, Supervision, Writing – original draft, Writing – review & editing

ramirez@fm.ul.pt

Affiliation Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal

José Melo-Cristino

Roles Conceptualization, Funding acquisition, Project administration, Resources, Supervision, Writing – review & editing

Affiliation Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal

on behalf of the Portuguese Group for the Study of Streptococcal Infections

The complete membership of the Portuguese Group for the Study of Streptococcal Infections can be found in the Acknowledgments.

Affiliation Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal

Competing Interests

JMC has received research grants administered through his university and received honoraria for serving on the speakers bureaus of Pfizer and Merck Sharp and Dohme. MR has received honoraria for serving on the speakers bureau of Pfizer and for consulting for GlaxoSmithKline and Merck Sharp and Dohme. The other authors declare no conflict of interest. No company or financing body had any interference in the decision to publish. This does not alter our adherence to PLOS ONE policies on sharing data and materials.