Corresponding Author

Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Seoul St Mary’s Hospital, The Catholic University of Korea, Seoul, Korea

Institute of Catholic Ubiquitous Health Care, The Catholic University of Korea, Seoul, Korea

Correspondence author

Kun-Ho Yoon, Tel.: (+82)-2-2258-3589, Fax: (+82)-2-595-2534

E-mail address: yoonk@catholic.ac.kr