Provided are methods of treating HIV patients by administering to the patient a nutrient composition and at least one anti-retrovial drug. A temperature sensor distal from the bimetal includes an output having an ambient temperature signal. The smart surface can be used in a conditioner to increase droplet size prior to entering a conventional separator, or the smart surface and other elements of the invention can be incorporated into an otherwise conventional separator to enhance separation. The recovery metadata includes a first address of the key-value association table in the non-volatile memory.