Infant, Newborn, Diseases

• Neonatal Intensive Care Unit, Azienda Ospedaliera Spedali Civili di Brescia — Brescia, Italy
• Neonatal Intensive Care Unit, A. Meyer University Childrens' Hospital — Florence, Italy
• Institute of Pediatrics and Neonatology, Fondazione IRCCS Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, University of Milan — Milan, Italy
• Neonatal Intensive Care Unit, Azienda Ospedaliera San Gerardo — Monza, Italy

• University of Minnesota — Minneapolis, Minnesota, United States
• University of Utah — Salt Lake City, Utah, United States
• American Family Children's Hospital — Madison, Wisconsin, United States

• The Hospital for Sick Children — Toronto, Ontario, Canada
• Nsambya Hospital — Kampala, Uganda

• Rush University Medical Center — Chicago, Illinois, United States

• Joe DiMaggio Children's Hospital / Memorial Healthcare System — Hollywood, Florida, United States
• St. Luke's CF Center of Idaho — Boise, Idaho, United States
• Riley Hospital for Children at Indiana University Health — Indianapolis, Indiana, United States
• Maine Medical Center — Portland, Maine, United States

• Banner - University Medical Center Phoenix — Phoenix, Arizona, United States

• Investigator Site 123 — Long Beach, California, United States
• Investigator Site 107 — Los Angeles, California, United States
• Investigator Site 114 — Aurora, Colorado, United States
• Investigator Site 120 — Gainesville, Florida, United States

• Wake Forest University Health Sciences — Winston-Salem, North Carolina, United States

• Hospital Universitario de La Plana — Villarreal, Castellón, Spain

Not specified