Hagemeier, Anna http://orcid.org/0000-0002-8795-7352
Adams, Anne http://orcid.org/0000-0003-3286-1131
Krieger, Theresia http://orcid.org/0000-0002-7414-7318
Salm, Sandra http://orcid.org/0000-0003-1392-0140
Cecon-Stabel, Natalia http://orcid.org/0000-0002-2548-5986
Dresen, Antje http://orcid.org/0000-0001-7684-9391
Hellmich, Martin http://orcid.org/0000-0001-5174-928X
Funding for this research was provided by:
Universitätsklinikum Köln
Article History
Received: 1 February 2023
Accepted: 14 May 2023
First Online: 30 May 2023
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinki and the Ethics Committee of the Medical Faculty of the University of Cologne has approved the isPO project (18–092). The isPO study is registered in the German Clinical Trials Registry (DRKS00015326). All participants have been informed about the aim of the study and about the voluntary nature of participation and have signed a written informed consent form for participation in the isPO care programme and data processing.
: Not applicable.
: The authors declare no competing interests.