1 President, Korean Medical Association, Seoul, Korea.
2 Department of Preventive Medicine, Yonsei University College of Medicine, Seoul & Chair, Finance and Planning Committee, World Medical Association, Seoul, Korea.
3 Vice President, Korean Medical Association, Seoul, Korea.
4 Director of Public Relations and Spokesperson, Korean Medical Association & Department of Family Medicine, Myongji Hospital, Seonam University, College of Medicine, Goyang, Korea.