Chul Won Jang, Ki Hoon Ha, Nak Jin Sung, Dong Wook Lee, Kyung Rae Cho, Sook Heong Jung, Seok Choi, Jae Man Ki, Sung Woo Kim, Kyung Ja Choi, Dong Ik Kim, Joon Seok Song, Young Kyu Choi, Hee Nam Song, Ki Heum Park
J Korean Acad Fam Med. 2006;27(9):706-712. Published online September 10, 2006