; (B) model programs for cost effective and preventive patient care; and (C) training physicians and scientists in research on such diseases and complications; and (4) may perform research and participate in epidemiological studies and data collection relevant to liver diseases in order to disseminate such research, studies, and data to the health care profession and to the public. . (h) Advisory council subcommittees Section 432 of the Public Health Service Act ( 42 U.S.C. 285c–6 ) is amended— (1) by striking and a subcommittee on kidney, urologic, and hematologic diseases and inserting a subcommittee on kidney, urologic, and hematologic diseases, and a subcommittee on liver diseases ; and (2) by striking and kidney, urologic, and hematologic diseases and inserting kidney, urologic, and hematologic diseases, and liver diseases .