1. Medizinische Physik and Cluster of Excellence Hearing4all, Carl-von-Ossietzky Universität Oldenburg, Oldenburg, Germany
2. Pavlov First St. Petersburg State Medical University, Saint-Petersburg, Russia
3. National Research Centre for Audiology and Hearing Rehabilitation, Moscow, Russia
4. HörTech gGmbH, Oldenburg, Germany
5. Northwest State Medical University named after Mechnikov, Saint-Petersburg, Russia