Funding for this research was provided by:
Heine und Löwenstein (publication fee)
Received: 4 September 2020
Accepted: 1 December 2020
First Online: 12 December 2020
Ethics approval and consent to participate
: Ethics approval was obtained for the study from the local ethics committee the Ethics committee of the City of Vienna – Gesundheitsdienst Stadt Wien (Refrence Number: EK 17-149-0817). Written informed consent was obtained from all participants and all parents or guardians for participants under the age of 14 years, respectively.
: Not applicable.
: FG has received an unrestricted Grant for different study from Gilead and AZ has received financial compensation for participation in advisory boards for Vertex, Novartis, Chiesi, Gilead AOP, and lecture fees from Hagleitner Hygiene, Astra Zeneca and Heine und Löwenstein. CL has received lecture fees from Novartis. ML, LR, CM, KK, TF and MR declare that they have no conflict of interest.