[1] Sungkyunkwan Univ, Dept Mol Cell Biol, Sch Med, Suwon, South Korea
[2] Gwangju Inst Sci & Technol GIST, Dept Biomed Sci & Engn, Gwangju, South Korea
[3] Geneva Univ Hosp, Dept Med Specialties, Div Endocrinol Diabet Nutr & Therapeut Patient Edu, Geneva, Switzerland
[4] Univ Geneva, Fac Med, Diabet Ctr, Geneva, Switzerland