version description donor_id tissue_id execution_datetime protocols_io_doi operator operator_email pi pi_email assay_category assay_type acquisition_instrument_vendor acquisition_instrument_model single_file_export_format max_x_width_value max_x_width_unit max_y_height_value max_y_height_unit roi_description roi_id resolution_x_value resolution_x_unit resolution_y_value resolution_y_unit resolution_z_value resolution_z_unit pixel_size_z_value pixel_size_z_unit number_of_images quality_view probe dynamic_contrast speckle_reduction_imaging compound_imaging harmonics frequency_value frequency_unit contributors_path data_path 1 clinical_imaging Ultrasound um / mm um / mm nm / um / mm nm / um / mm nm / um / mm nm / um / mm high confidence/optimal / low confidence/sub-optimal / no confidence 0 / 1 / 2 / 3 / 4 / 5 None / Low / Medium / High Hz / kHz / MHz