def update_thesis_supervisors(self):
for field in record_get_field_instances(self.record, '<STR_LIT>'):<EOL><INDENT>record_add_field(self.record, '<STR_LIT>', subfields=field[<NUM_LIT:0>])<EOL><DEDENT>record_delete_fields(self.record, '<STR_LIT>')<EOL>
700 -> 701 Thesis supervisors.