Catholic University Leuven, Leuven, Belgium
Zamenhoflaan 12, Schoten, Belgium
Universiteit Antwerpen, Wilrijk, Belgium
Division of Allergy Immunology and Infectious Disease, Pittsburgh, Pennsylvania, United States
Suncoast Clinical Research, Inc., New Port Richey, Florida, United States
David M. Radin, MD, Stamford, Connecticut, United States
University of Tampere, Tampere, Finland
Stamford Hospital, Stamford, Connecticut, United States
Center for Vaccine Development, Saint Louis, Missouri, United States
Creighton University Medical Center, Omaha, Nebraska, United States
University of Virginia, Elson Student Health Center, Charlottesville, Virginia, United States
Kentucky Pediatric/Adult Research, Inc., Bardstown, Kentucky, United States
R/D Clinical Research, Inc., Lake Jackson, Texas, United States
Heart of America Research Institute, Shawnee Mission, Kansas, United States