For legislation to encourage quality reviews and reduce costs in health care. The provisions of this section shall apply to any committee formed by an individual health care provider, physician group practice, licensed health care facility or any combination thereof to perform the duties or functions of medical peer review as set forth in section one of this chapter, notwithstanding the fact that the formation of the committee is not required by law or regulation or that the individual, group or facility is not solely affiliated with a public hospital or licensed hospital or nursing home or health maintenance organization.