In their 1988 report, The Future of Public Health, the Institutes of Medicine (IOM) defined the three core functions of governmental public health as assessment, policy development, and assurance. The Core Public Health Functions Steering Committee developed the framework for the Essential Services in 1994. This steering committee included representatives from US Public Health Service agencies and other major public health organizations.
Live-work unit simply is a contemporary way of referring to a building that is both the residence and place of business of the proprietor. Certainly the live-work unit doesn't have to be organized in that same way, namely, an apartment on the second story above a storefront or walk-in office.
Live in is used for cities, countries, etc.  Live on is used for streets, floors of a building, islands,  etc.  Live at is used for a specific address   For exa â¦ mple, I live in California. I used to live in Ireland. I  live on the third floor. I would like to live on the Big Island of  Hawaii. I live at 1234 Main Street.