1. Roxelyn and Richard Pepper Department of Communication Sciences & Disorders, Northwestern University, Evanston, IL, USA
2. Department of Audiology, Faculty of Medical Sciences of Santa Casa, Sao Paulo, Brazil
3. Waisman Center, University of Wisconsin-Madison, Madison, WI, USA
4. Physics Department, University of Roma Tor Vergata, Rome, Italy
5. INAIL Research, Rome, Italy
6. Knowles Hearing Center, Northwestern University, Evanston, IL, USA