David Aghte, now at Offis

Marcus J. A. Plath

Dr Nur Ili Hamizah Mustaffa, now at Planktology Group at ICBM, Wilhelmshaven, Germany

Dr Christian Stolle, now at Forschungszentrum Jülich

Katharina Melkonian, now at Max Planck Institute for Plant Breeding Research, Köln, Germany

Dr Janina Rahlff, now at Group for Aquatic Microbial Ecology (GAME), University of Duisburg-Essen, Campus Essen-Biofilm Centre, Essen, Germany