[1] Univ Oslo, Fac Med, Inst Nursing & Hlth Sci, N-0316 Oslo, Norway
[2] Norwegian Univ Sci & Technol, Norwegian EHR Res Ctr, Trondheim, Norway
[3] Massachusetts Gen Hosp, Inst Hlth Profess, Boston, MA 02114 USA
[4] Norwegian Univ Sci & Technol, Dept Comp & Informat Sci, Trondheim, Norway
[5] Rikshosp Univ Hosp, Intervent Ctr, Oslo, Norway