Long-Term Burden of BPD and Health-Related Quality of Life (BronQ Family)

Inclusion Criteria: BPD-group: * Being a parent or primary caregiver of a child until the age of 18 years (0 to under 18 years), * who was born preterm (before 37 weeks of gestation), * who has been discharged from their initial hospital stay after birth, * who suffered from BPD in the newborn period and * who was born or is currently living in the following countries: France, Germany, Italy, the Netherlands, Spain, the United Kingdom (including Northern Ireland) and the United States * providing sufficient proficiency in one of the languages of the questionnaire Control group: * Being a parent or primary caregiver of a child until the age of 18 years (0 to under 18 years), * who was born preterm (before 37 weeks of gestation), * who has been discharged from their initial hospital stay after birth, * who did not suffer from BPD in the newborn period and * who was born or is currently living in the following countries: France, Germany, Italy, the Netherlands, Spain, the United Kingdom (including Northern Ireland) and the United States * providing sufficient proficiency in one of the languages of the questionnaire Exclusion Criteria: BPD-group: * Other family members than parents/primary caregivers * Parents or primary caregivers * of a child older/equal than 18 years of age * of a child with BPD who has not been discharged yet * of a child without a BPD in the newborn period * with insufficient proficiency in one of the languages available in the questionnaire Control group: * Other family members than parents/primary caregivers * Parents or primary caregivers * of children older/equal than 18 years of age * of a child born term * of a child without BPD who has not been discharged yet * with insufficient proficiency in one of the languages available in the questionnaire