Welz, Alexandra N.
Emberger-Klein, Agnes
Menrad, Klaus
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (Extraktionsverfahren bioaktiver Naturstoffe aus Hopfen)
Article History
Received: 13 August 2018
Accepted: 12 November 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: Approved by the Ethics Commission of the Faculty of Medicine, Technical University of Munich on 08th January 2018. Participants gave written consent before beginning the questionnaire, which was recorded as part of the online survey.
: Not applicable.
: The authors declare that they have no competing interests.