Device-measured physical activity in adults born preterm with very low birth weight and mediation by motor abilities - Silje Dahl Benum; Kristina Anna Djupvik Aakvik; Cathrin Vano Mehl; Atle Kongsvold; Stian Lydersen; Maria Vollsæter; Paul Jarle Mork; Eero Kajantie; Kari Anne I. Evensen (PLoS ONE)