Contexts of sedentary time and physical activity among ageing workers and recent retirees: cross-sectional GPS and accelerometer study., Pasanen, Sanna, Halonen Jaana I., Pulakka Anna, Kestens Yan, Benoit Thierry, Brondeel Ruben, Pentti Jaana, Vahtera Jussi, Leskinen Tuija, and Stenholm Sari , BMJ Open, 2021 05 18, Volume 11, Issue 5, (2021)