1. Bianca Harms is a Senior Research Lecturer in Marketing and Program Manager of the MA in Content and Media Strategy, NHL-Stenden University, Netherlands (email: ).
2. Janny C. Hoekstra is Associate Professor in Marketing at the Department of Marketing, University of Groningen, Netherlands (email: ).
3. Tammo H.A. Bijmolt is Professor in Marketing Research, University of Groningen, Netherlands (email: ).