Methodology
This SR was commissioned by EAACI and undertaken by an EAACI task force
comprising methodologists, patient representatives, allergists,
paediatricians, primary care doctors and other clinicians,
psychologists, dieticians, and other allied health representatives, from
23 countries, including Austria, Australia, Brazil, Canada, Denmark,
France, Germany, Greece, Hong Kong, Italy, Ireland, Japan, the
Netherlands, Poland, Russia, Romania, Spain, Singapore, South Africa,
Switzerland, Turkey, UK, USA.
The methods are described in brief here, a full review protocol was
registered with the International Prospective Register of Systematic
Reviews (PROSPERO registration: CRD42021259186) and previously published
[12]. We report our findings herein according to the Preferred
Reporting Items for Systematic Reviews and Meta-analysis
(PRISMA)[13].