value unc_up unc_lo author ref method 0.039 0.0150 0.0260 Masiero 2021PSJ.....2..162M NEATM 0.081 0.0640 0.0640 Masiero 2020PSJ.....1....5M NEATM 0.088 0.0491 0.0491 Masiero 2017AJ....154..168M NEATM