Author ' s response to reviews Title : Increased health care utilization by survivors of childhood lymphoblastic leukemia is confined to those treated

· The results presented in the abstract do not support the conclusions in the abstract. The results of the abstract do not mention (or data) that hospitalizations were no different between nonirradiated and controls. Response: Thank you for pointing this out. The content of the abstract has been changed to support the conclusions, according to your comment. Please see revised manuscript. · What is the “hospitalization pattern”, is this different from the # of hospitalizations? Response: The term “hospitalization pattern” referred to the different aspects of hospitalization (i.e., number of hospital contacts as well as the number of days in hospital). To avoid confusion, the word “hospitalization pattern” has been excluded in the revised manuscript.