2625375 eCRF electronic case report form 72 2625385 eCRF estimated cardiorespiratory fitness 36 2625374 eCRF estimated CRF 26 2625382 ECRF extraclassical receptive field 11 2625381 eCRF non-exercise-based estimation of cardiorespiratory fitness 4 2625377 eCRF electronic CRF 2 2625379 eCRF electronical Case Report Files 2 2625383 eCRF extra-classical receptive field 2 2625380 eCRF electronic clinical record form 1 2625378 eCRF enabling the pre-population of the case report forms 1 2625386 eCRF estimated cardiopulmonary function 1 2625387 eCRF estimated CRF models 1 2625384 eCRF estimating CRF 1