[1] Karolinska Univ Hosp, Karolinska Inst, Dept Mol Med & Surg, Div Surg, SE-17176 Stockholm, Sweden
[2] Karolinska Inst, Dept Clin Res & Educ Sodersjukhuset, Sodersjukhuset, SE-11883 Stockholm, Sweden
[3] Soder Sjukhuset, Dept Internal Med, Div Endocrinol, SE-11883 Stockholm, Sweden
[4] Malmo Univ Hosp, Dept Endocrinol, SE-21420 Malmo, Sweden
[5] Karolinska Univ Hosp, Dept Oncol, SE-17176 Salno, Sweden
[6] Karolinska Univ Hosp, Karolinska Inst, Dept Diabet Endocrinol & Metab, SE-17176 Stockholm, Sweden
[7] Karolinska Inst, Dept Clin Sci, SE-17177 Stockholm, Sweden
[8] Danderyd Hosp, Dept Med, SE-18288 Stockholm, Sweden