| Authors: |
Lee SY; Department of Dental Hygiene, Sahmyook Health University, Seoul, , Republic of Korea. Electronic address: isy078@shu.ac.kr., Lee HS; Department of Preventive Dentistry & Public Oral Health, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Republic of Korea. Electronic address: ianhslee@yuhs.ac., Lee ES; Department of Preventive Dentistry & Public Oral Health, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Republic of Korea. Electronic address: eunsong@yuhs.ac., Jung HI; Department of Preventive Dentistry & Public Oral Health, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Republic of Korea. Electronic address: junghoiin@yuhs.ac., Kim BI; Department of Preventive Dentistry & Public Oral Health, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Republic of Korea. Electronic address: drkbi@yuhs.ac. |