[1] Copenhagen Univ Hosp, Rigshosp, Med Endocrinol, Copenhagen, Denmark
[2] Bispebjerg Hosp, Palliat Med, DK-2400 Copenhagen, Denmark
[3] Odense Univ Hosp, Endocrinol & Metab, DK-5000 Odense, Denmark
[4] Natl Res Ctr Working Environm, Copenhagen, Denmark