High intensity interval-vs resistance or combined-training for improving cardiometabolic health in overweight adults (cardiometabolic hiit-rt study): Study protocol for a randomised controlled trial - Ramírez-Vélez, R; Hernandez, A; Castro, K; Tordecilla-Sanders, A; González-Ruíz, K; Correa-Bautista, J E; García-Hermoso, A (Trials, 2016)