1. Department of Orthopedic Surgery, Nagoya University Graduate School and School of Medicine, Nagoya, Japan;
2. Hôpital Cochin, Paris, France;
3. Eli Lilly Japan K.K., Kobe, Japan;
4. Eli Lilly and Company, IN, USA;
5. The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan