Authors: Anna Lei Lamberg; Henrik Sølvsten; Ulrikke Lei; Gabrielle Randskov Vinding; Ida Marie Stender; Gregor Borut Ernst Jemec; Tine Vestergaard; Henrik Thormann; Merete Hædersdal; Tomas Norman Dam; Anne Braae Olesen Journal: Clin Epidemiol Date: 2016-10-25 Impact factor: 4.790