[1] Vrije Univ Amsterdam, Med Ctr, Ctr Diabet, Dept Endocrinol, Amsterdam, Netherlands
[2] Helsinki Univ Hosp, Dept Med, Helsinki, Finland
[3] Sahlgrens Univ Hosp, Lundberg Lab Diabet Res, Gothenburg, Sweden
[4] Amylin Pharmaceut Inc, San Diego, CA USA
[5] Eli Lilly & Co, Nederland, Houten, Netherlands