Eastman Dental Center - University of Rochester, Rochester, New York, United States
University of Louisville, School of Dentistry, Louisville, Kentucky, United States
University of Zurich, Dental Institute Dept. of Preventive, Zurich, Switzerland
Concordia Clinical Research, Cedar Knolls, New Jersey, United States
Mahidol University, Bangkok, Bangkok 10110, Thailand
Forsyth Institute, Boston, Massachusetts, United States
Department of Oral Biology, Newark, New York, United States
Discipline of Medicine, Chermside, Australia
East Carolina University, Brody School of Medicine, Greenville, North Carolina, United States