1. Department of Business Administration; Nijmegen School of Management; Nijmegen The Netherlands
2. Department of Operations Management, Faculty of Management and Social Sciences; University of Stuttgart; Stuttgart Germany
3. CENSE - Center for Environmental and Sustainability Research, Departamento de Ciências e Engenharia do Ambiente, Faculdade de Ciências e Tecnologia; Universidade NOVA de Lisboa; Caparica Portugal