1Division of Periodontics, College of Dental Medicine, Columbia University, New York, NY, 10032, USA ,
2Currently, Department of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90502, USA,
3Division of Periodontics, School of Dentistry, Marquette University, Milwaukee, WI, 53233, USA,
4Departments of Periodontics and Dental Education, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 500-757, Republic of Korea
1Division of Periodontics, College of Dental Medicine, Columbia University, New York, NY, 10032, USA ,
2Currently, Department of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90502, USA,
3Division of Periodontics, School of Dentistry, Marquette University, Milwaukee, WI, 53233, USA,
4Departments of Periodontics and Dental Education, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 500-757, Republic of Korea
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Corresponding author:
Seok-Woo Lee Lee , Tel: +82-62-530-5820,