About the Authors

Irwa Issa

Roles Formal analysis, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Agricultural and Food Marketing, Faculty of Organic Agricultural Sciences, University of Kassel, Witzenhausen, Germany

Sebastian Delbrück

Roles Investigation, Writing – review & editing

‡ SD and UH contributed 20% each to this work.

Affiliation BIOCOM AG, Berlin, Germany

Ulrich Hamm

Roles Supervision, Writing – original draft, Writing – review & editing

hamm@uni-kassel.de

‡ SD and UH contributed 20% each to this work.

Affiliation Department of Agricultural and Food Marketing, Faculty of Organic Agricultural Sciences, University of Kassel, Witzenhausen, Germany

Competing Interests

SB is a paid employee of Biocom AG. There are no patents, products in development or marketed products associated with this research to declare. This does not alter our adherence to PLOS ONE policies on sharing data and materials.