 Biologic samples isolates will be under the control of the principal investigator of this research project. All samples provided to the investigator are de-identified by the honest broker and will be coded with numbers. The information linking these code numbers to the corresponding subjects identities will be kept in a separate, secure location that only the honest broker has access to. The investigator on this study will keep the samples indefinitely. Samples will be kept in the investigators laboratory located in Scaife Hall, room 839, 3550 Terrace Street. At no time with the research investigators have access to any patient identifers. Medical record information and bacteria samples from facilities outside of UPMC will be provided to the PI de-identified. At not time will anyone on the research team have access to patient identifiers. All information and bacteria are collected as part of the patients clinical treatment. 