Authors: Espen A F Ihlen; Ragnhild Støen; Lynn Boswell; Raye-Ann de Regnier; Toril Fjørtoft; Deborah Gaebler-Spira; Cathrine Labori; Marianne C Loennecken; Michael E Msall; Unn I Möinichen; Colleen Peyton; Michael D Schreiber; Inger E Silberg; Nils T Songstad; Randi T Vågen; Gunn K Øberg; Lars Adde Journal: J Clin Med Date: 2019-12-18 Impact factor: 4.241