Current and evolving echocardiographic techniques for the quantitative evaluation of cardiac mechanics: ASE/EAE consensus statement on methodology and indications endorsed by the Japanese Society of Echocardiography - Mor-Avi, V; Lang, R M; Badano, L P; Belohlavek, M; Cardim, N M; Derumeaux, G; Galderisi, M; Marwick, T; Nagueh, S F; Sengupta, P P; Sicari, R; Smiseth, O A; Smulevitz, B; Takeuchi, M; Thomas, J D; Vannan, M; Voigt, J U; Zamorano, J L (Eur J Echocardiogr, 2011)