1. Department of Endocrinology and Metabolism, Kyung Hee University School of Medicine, Seoul, Korea.
2. Department of Diabetes and Endocrinology, DHU FIRE, Lariboisière Hospital, University Paris-Diderot Paris-7, Paris, France.
3. Clinical Investigation Center, INSERM-CIC9504, Saint-Louis University Hospital, University Paris-Diderot Paris-7, Paris, France.
4. INSERM UMRS 1138, Cordeliers Research Center, University Pierre et Marie Curie Paris-6, Paris, France.