Obstructive sleep apnea syndrome, objectively measured physical activity and exercise training interventions: a systematic review and meta-analysis - Mendelson, M; Bailly, S; Marillier, M; Flore, P; Borel, J C; Vivodtzev, I; Doutreleau, S; Verges, S; Tamisier, R; Pépin, J L (Front Neurol, 2018)