Infant, Very Low Birth Weight

• Carlo Poma Hospital — Mantua, Italy
• Cattedra di Neonatologia-Università degli Studi di Milano — Milan, Italy
• Maastricht University Hospital — Maastricht, Limburg, Netherlands
• Complejo Universitario Hospitalario Insular-Materno Infantil — Las Palmas de Gran Canaria, Spain

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Stanford University — Palo Alto, California, United States
• University of Miami — Miami, Florida, United States
• Emory University — Atlanta, Georgia, United States

• Ajou university medical center — Suwon, Woncheon-dong, Yeongtong-gu,, South Korea

• Medical University of South Carolina — Charleston, South Carolina, United States
• Medical University of South Carolina — Charleston, South Carolina, United States

• Academic Medical Centre — Amsterdam, North Holland, Netherlands
• Centre for Population Health Sciences, The University of Edinburgh — Edinburgh, Midlothian, United Kingdom

Not specified

• University of Edinburgh — Edinburgh, Midlothian, United Kingdom

• Neonatal Intensive Care Unit/Children's Hospital — Oklahoma City, Oklahoma, United States

• NICU San Gerardo Hospital — Monza, MonzaBrianza, Italy

• Alta Bates Summit Medical Center — Berkeley, California, United States
• University of California, San Diego Medical Center — San Diego, California, United States
• Yale University School of Medicine — New Haven, Connecticut, United States
• Shands Children's Hospital — Gainesville, Florida, United States