different academic levels, commensurate with the nature of the post to which the applicant was previously commensurate with the applicant's discipline and the nature of the post to which the applicant was previously different academic levels, commensurate with the nature of the post to which the applicant was previously commensurate with the applicant's discipline and the nature of the post to which the applicant was previously different academic levels, commensurate with the nature of the post to which the applicant was previously