Division of Machine Elements, Luleå University of Technology, Luleå, Sweden

Soft Matter Science and Engineering Laboratory (SIMM), ESPCI Paris, PSL University, Paris, France; Centre National de la Recherche Scientifique (CNRS), Paris, France

Tribonex AB, Uppsala, Sweden

School of Engineering and Computing, University of Lancashire, Preston, UK

The Tribology Group, Department of Mechanical Engineering, Imperial College London, UK

Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA

IMT School for Advanced Studies Lucca, Lucca, Italy

Department of Materials Science and Engineering, Universität des Saarlandes, Saarbrücken, Germany

Department of Chemical Engineering and Materials Research Institute, Pennsylvania State University, PA, USA

Gear Research Center (FZG), Technical University of Munich, Garching near Munich, Germany