Received: 6 May 2020
Accepted: 11 August 2020
First Online: 20 August 2020
Ethics approval and consent to participate
: This study has been approved by the ethics committee of the Bavarian Medical Association (Landesärztekammer Bayern) under reference number 15025 and registered on 6 August 2015 under ClinicalTrials.gov identifier NCT02516501 (URL: ExternalRef removed). All participants gave their written informed consent to participate with the possibility to withdraw from the trial at any time.
: Not applicable
: All authors except for M. Weigel are occasionally on a ketogenic diet. CEC is on the advisory board at Virta Health and is a director and grant reviewer for the nonprofit Advancing Ketogenic Therapies. Besides that, there are no other potential conflicts of interest related to this publication.