version description donor_id tissue_id execution_datetime protocols_io_doi operator operator_email pi pi_email assay_category assay_type analyte_class is_targeted acquisition_instrument_vendor acquisition_instrument_model resolution_x_value resolution_x_unit resolution_y_value resolution_y_unit resolution_z_value resolution_z_unit stain section_prep_protocols_io_doi overall_protocols_io_doi contributors_path data_path 1 imaging PAS microscopy nm / um nm / um mm / um / nm