2.1 Structured questionnaire
The questionnaire included an explanatory cover letter reporting the aim
of the Survey. Experts designed the questions in the field (SM, AL, GLM,
EC).
The structured questionnaire was prepared as a specific form to be
fulfilled online (closed- and open-ended format questions) on the
website. Responses were anonymous, but professional information
(university paediatrician, hospital paediatrician, primary care
paediatrician, or pediatric resident) was requested. The questionnaire
included ten questions in a multiple-choice format. Specifically, the
questionnaire contained questions on diagnostic criteria, diagnostic and
therapeutic management of bronchiolitis in infants and children younger
than 24 months of age. One or more answers for each question were
provided.
The survey was administered in Italian and translated into English for
publication. The English version of the questionnaire is enclosed in
Appendix A.