public static int getStandardDeviationParamIndex(String accession) {

        if (INTENSITY_STD_SUBSAMPLE1.getAccession().equals(accession)) {
            return 1;
        } else if (INTENSITY_STD_SUBSAMPLE2.getAccession().equals(accession)) {
            return 2;
        } else if (INTENSITY_STD_SUBSAMPLE3.getAccession().equals(accession)) {
            return 3;
        } else if (INTENSITY_STD_SUBSAMPLE4.getAccession().equals(accession)) {
            return 4;
        } else if (INTENSITY_STD_SUBSAMPLE5.getAccession().equals(accession)) {
            return 5;
        } else if (INTENSITY_STD_SUBSAMPLE6.getAccession().equals(accession)) {
            return 6;
        } else if (INTENSITY_STD_SUBSAMPLE7.getAccession().equals(accession)) {
            return 7;
        } else if (INTENSITY_STD_SUBSAMPLE8.getAccession().equals(accession)) {
            return 8;
        }

        return -1;
    }