Funding for this research was provided by:
Medizinische Hochschule Hannover (MHH)
Received: 11 January 2021
Accepted: 4 May 2021
First Online: 26 May 2021
: This prospective observational study was conducted according to the standards set forth by the Declaration of Helsinki and Good Clinical Practice guidelines. It was approved by the local ethics committee (Ethics Committee of Hannover Medical School, Germany, Chairperson Prof. Dr. S. Engeli, No. 7955_BO_K_2018 on July 25th, 2018) and registered in the German registry of clinical studies (DRKS-ID: DRKS00015795). Written informed consent was provided by the parents. The study was conducted between November 2019 and July 2020 at the Clinic for Anaesthesiology and Intensive Care Medicine of the Hannover Medical School, Germany.
: Not applicable.
: R. S. received fees for speeches and funds for research from B. Braun Melsungen AG, Melsungen, Germany. S.H., T.G., V.R., K.N., O.K., D.B., N.D., C.E.B. have no conflicts of interests to declare.