Pfizer Investigational Site, Xi'an, China
Pfizer Investigational Site, Toronto, Ontario, Canada
Pfizer Investigational Site, London, United Kingdom
Office of Detlef Muller, Bautzen, Germany
Klotz, Weiden, Germany
Carsten Lange, Bernburg, Germany
Pfizer Investigational Site, Tucuman, Argentina
Emory University School of Medicine, Atlanta, Georgia, United States
University of Chicago, Chicago, Illinois, United States
Johns Hopkins Hospital, Baltimore, Maryland, United States
Pfizer Investigational Site, Orlando, Florida, United States
Pfizer Investigational Site, Orlando, Florida, United States
Pfizer Investigational Site, London, United Kingdom
Pfizer Investigational Site, Zvolen, Slovakia