1. Department of Teleaudiology and Screening, World Hearing Center, Institute of Physiology and Pathology of Hearing, Warsaw, Poland
2. Heart Failure and Cardiac Rehabilitation Department, Faculty of Medicine, Medical University of Warsaw, Poland
3. Institute of Sensory Organs, Nadarzyn, Kajetany, Poland
4. Department of Oto-Rhino-Laryngosurgery, World Hearing Center, Institute of Physiology and Pathology of Hearing, Warsaw, Poland