[1] Univ Perugia, I-06100 Perugia, Italy
[2] Oregon Hlth & Sci Univ, Portland, OR 97201 USA
[3] Int Diabet Ctr Pk Nicollet, Minneapolis, MN USA
[4] Sanofi, Chilly Mazarin, France
[5] EXPERIS IT, Nanterre, France
[6] Newcastle Univ, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England