About the Authors

Axel C. Mühlbacher

Roles Conceptualization, Methodology, Project administration, Writing – original draft, Writing – review & editing

muehlbacher@hs-nb.de

Affiliations Health Economics and Health Care Management, Hochschule Neubrandenburg, Neubrandenburg, Germany, Gesellschaft für Empirische Beratung GmbH (GEB), Freiburg, Germany

Andrew Sadler

Roles Writing – review & editing

Affiliation Health Economics and Health Care Management, Hochschule Neubrandenburg, Neubrandenburg, Germany

Competing Interests

AM and SA are authors of the work disputed by Gandjour. Previous work related to the letter of Gandjour was financed by Gilead. Further study grants in the last five years were received from Abbvie, Janssen Cilag and Johnson & Johnson.