Kim, Jong-Geol; Park, Soo-Je; Damste, Jaap S. Sinninghe; Schouten, Stefan; Rijpstra, W. Irene C.; Jung, Man-Young; Kim, So-Jeong; Gwak, Joo-Han; Lee, SangHoon; Madsen, Eugene L.; Choi, Sun Bin; Rhee, Sung Keun