“…Literature on the topic of publication ethics identifies forms of authorship variously described as gift, honorary, guest, ghost, etc., 9,[12][13][14][15] with judgments that these types of authorship are "unethical." The Edito-rial Office of CPDD implicitly assumes that the authors themselves have considered these issues, and that the listed authors on the submitted manuscript qualify for authorship based on the substantive intellectual contribution criterion.…”