1 Division of Infectious Diseases, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
2 Department of Infectious Diseases, Hospital Del Mar, Institut Hospital Del Mar d'Investigacions Mèdiques (IMIM), Universitat Pompeu Fabra (UPF), Barcelona, Spain.
3 Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III CIBERINFEC, Madrid, Spain.
4 Pfizer Ltd., Mumbai, India. shweta.kamat@pfizer.com.
5 Pfizer Ltd., Surrey, UK.
6 Pfizer Inc., New York, USA.
7 Department of Respiratory Medicine and Infectious Disease, Member of the German Center of Lung Research, Hannover School of Medicine, Hannover, Germany.