Renal DialysisHemodialysis Units, HospitalCapital ExpendituresDithioerythritolKidney Failure, ChronicPeritoneal DialysisDialysisDialysis SolutionsPeritoneal Dialysis, Continuous AmbulatoryMedicineSpecializationSpecialties, SurgicalSpecialties, DentalCareer ChoiceSpecialty BoardsSpecialties, NursingPeritonitisPeritoneumEconomics, MedicalHospitals, SpecialUnited StatesPhysiciansCatheters, IndwellingHemodialysis SolutionsEducation, Medical, GraduateNephrologyStudents, MedicalGeneral SurgeryUltrafiltrationRetrospective Studies