Answers to Referees ’ Comments and Changes in the Revised Manuscript


please reword the last sentence in “results” as well as in “conclusion”. Reduce the number of abbreviations to (A/T) The last sentences in Results and in Conclusion of the Abstract have been reworded. In the revised paper we adopted only three abbreviation: A/T (adenoidectomy and/or tonsillectomy), IRR (Incidence Rate Ratio), CI (Confidence Intervals), the… (More)