Kyunghoon Lee, M.D.
1, Soo Young Moon, M.D.
2, Serim Kim, M.D.
3, Hyun-Jung Choi, M.D.
4, Sang-Guk Lee, M.D.
5, Hyung-Doo Park, M.D.
6, Soo-Youn Lee, M.D.
6, Sang Hoon Song, M.D.
7, Clinical Mass Spectrometry Research Committee of the Korean Society of Clinical Chemistry