North Country Health Care, Flagstaff, Arizona, United States
NorthShore University Healthsystem, Evanston, Illinois, United States
University of Missouri, Columbia, Missouri, United States
University of Pennsylvania, Philadelphia, Pennsylvania, United States
Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
Terry Treadwell, MD, Montgomery, Alabama, United States
Alex Reyzelman, DPM, Castro Valley, California, United States
William Marston, MD, Chapel Hill, North Carolina, United States
Universitaetsklinikum Greifswald, Greifswald, Germany
University of Bologna, Clinica Odontoiatrica, Bologna, Italy
University of Alabama at Birmingham (UAB) School of Dentistry, Birmingham, Alabama, United States
AZ Alma Eeklo, Eeklo, Moeie 13, Belgium
Atrium Medisch Centrum Parkstad in Heerlen, Heerlen, Netherlands
Klinikum Lippe_lemgo, Lemgo, Germany
Denver Health Medical Center, Denver, Colorado, United States
Atlanta Institute for Medical Research, Inc., Atlanta, Georgia, United States
Evanston Northwestern Healthcare, Evanston, Illinois, United States