1. Department of Nursing and Management, Hamburg University of Applied Sciences, Hamburg, Germany
2. Department of Otorhinolaryngology – Head and Neck Surgery, Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
3. Department of Inclusive Education, Catholic University of Applied Sciences Freiburg, Freiburg, Germany
4. Institute for Special Needs Education, Faculty of Educational and Social Sciences, Heidelberg University of Education, Heidelberg, Germany