[1] Univ Copenhagen, Zealand Univ Hosp, Dept Haematol, Roskilde, Denmark
[2] Univ Copenhagen, Bispebjerg & Frederiksberg Hosp, Dept Clin Epidemiol, Copenhagen, Denmark
[3] Univ Copenhagen, Bispebjerg Hosp, Dept Occupat & Environm Med, Copenhagen, Denmark
[4] Univ Southern Denmark, Danish Knowledge Ctr Rehabil & Palliat Care, Odense, Denmark
[5] Odense Univ Hosp, Odense, Denmark
[6] Univ Southern Denmark, Natl Inst Publ Hlth, Copenhagen, Denmark
[7] Odense Univ Hosp, Dept Haematol, Odense, Denmark
[8] Aarhus Univ Hosp, Dept Clin Epidemiol, Aarhus, Denmark