<qa>  What is the name of the drug that the investigators use to study?The goal of this research study is to find out what side effects there may be when children are taking Ceftaroline and to study how effective Ceftaroline is in treating bone infections due to Staphylococcus aureus in children. The investigators are also studying what the body does to the study drug, Ceftaroline, and if the doses the investigators use result in blood levels that the investigators think are going to be effective against bone infections in children. This is called pharmacokinetics PK. 