University of Cincinnati Medical Center, Cincinnati, Ohio, United States
University Ear, Nose and Throat Specialists, Cincinnati, Ohio, United States
University of Indiana Medical Center, Indianapolis, Indiana, United States
Department of OTO-HNS Medical College of Wisconsin, Milwaukee, Wisconsin, United States
University Ear, Nose and Throat Specialists, Cincinnati, Ohio, United States
University Hospital, Cincinnati, Ohio, United States
Gateway Community Services, Jacksonville, Florida, United States
St. Luke's-Roosevelt Hospital, Child and Family Institute, New York City, New York, United States
SSTAR of Rhode Island, North Kingstown, Rhode Island, United States
Mayo Clinic Nicotine Research Program, Rochester, Minnesota, United States
VA New York Harbor Healthcare System, New York City, New York, United States
Maryhaven, Inc., Columbus, Ohio, United States
University of California, Los Angeles, UCLA Medical Center, 10833 Le Conte Ave., Los Angeles, California, United States
University of Pennsylvania, University of Pennsylvania Medical Center, 3400 Spruce Street, Philadelphia, Pennsylvania, United States
Mercy Hospital, Western Hills, 3131 Queen City Ave., Cincinnati, Ohio, United States
University of Cincinnati, Cincinnati, Ohio, United States
University of Cincinnati, Cincinnati, Ohio, United States
University of Cincinnati Medical Center, Cincinnati, Ohio, United States