1. LEPABE – Laboratório de Engenharia de Processos, Ambiente, Biotecnologia e Energia, Faculdade de Engenharia da Universidade do Porto, Porto, Portugal;
2. Center for Biofilm Engineering, Montana State University, Bozeman, MT, USA;
3. University of Groningen, University Medical Center Groningen, Department of Biomedical Engineering, Groningen, The Netherlands