; and (2) pay in connection with those services the travel expenses of the experts and consultants, including transportation and per diem in lieu of subsistence while away from the homes or regular places of business of the individuals, as authorized by section 5703 of that title. (c) Bureaus, offices, and divisions The Administrator may establish within the Administration such bureaus, offices, and divisions as the Administrator determines are necessary to perform the duties of the Administrator. (d) Advisory committees (1) In general The Administrator shall establish advisory committees that consist of representatives of scientific expert bodies, academics, industry specialists, and consumers. (2) Duties The duties of an advisory committee established under paragraph (1) may include developing recommendations with respect to the development of regulatory science and processes, research, communications, performance standards, and inspection. II Administration of food safety program 201. Administration of national program (a) In general The Administrator shall— (1) administer a national food safety program (referred to in this section as the program ) to protect public health; and (2) ensure that persons who produce or process food meet their responsibility to prevent or minimize food safety hazards related to their products. (b) Comprehensive analysis The program shall be based on a comprehensive analysis of the hazards associated with different food and with the processing of different food, including the identification and evaluation of— (1) the severity of the health risks; (2) the sources and specific points of potential contamination extending from the farm or ranch to the consumer that may render food unsafe; (3) the potential for persistence, multiplication, or concentration of naturally occurring or added contaminants in food; (4) opportunities across the food production, processing, distribution, and retail system to manage and reduce potential health risks