1. UZ Gasthuisberg (C.M.), KU Leuven, 3000 Leuven, Belgium
2. Baylor Endocrine Center (P.H.), Dallas, Texas 75246
3. Miller School of Medicine (B.M.-P.), University of Miami, Miami, Florida 33136
4. Department of Medicine (J.C.), Stavanger University Hospital, 4068 Stavanger, Norway
5. Central Clinical Hospital MSWiA and Medical Research Center (E.F.), Polish Academy of Sciences, 02-507 Warsaw, Poland
6. Royal Surrey County Hospital and University of Surrey (D.R.-J.), GU2 7XX Guildford, United Kingdom
7. Novo Nordisk A/S (J.L., S.C.T.), DK-2860 Søborg, Denmark
8. Institute of Life Sciences (S.C.B.), Swansea University, SA2 8QA Swansea, United Kingdom