Kivimäki M,Nyberg ST, Batty GD, Kawachi I, Jokela M, Alfredsson L, Bjorner JB, Borritz M, Burr H, Dragano N, Fransson EI, Heikkilä K, Knutsson A, Koskenvuo M, Kumari M, Madsen IEH, Nielsen ML, Nordin M, Oksanen T, Pejtersen JH, Pentti J, Rugulies R, Salo P, Shipley MJ, Suominen S, Theorell T, Vahtera J, Westerholm P, Westerlund H, Steptoe A, Singh-Manoux A, Hamer M, Ferrie JE, Virtanen M, Tabak A (September 2017). "Long working hours as a risk factor for atrial fibrillation: a multi-cohort study". Eur Heart J38 (34): 2621–8