1. Institute of Physiology and Pathology of Hearing, Warsaw, Poland
2. Otorhinolaryngology Surgery Clinic, World Hearing Center, Nadarzyn/Warsaw, Poland
3. Department of Heart Failure and Cardiac Rehabilitation, Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
4. Department of Teleaudiology and Screening, World Hearing Center, Institute of Physiology and Pathology of Hearing, Kajetany/Warsaw, Poland
5. Institute of Sensory Organs, Kajetany/Warsaw, Poland