sentences:  Membership is by organization and there is currently no cost to join.Volunteers commit time to working on standards harmonization efforts as prioritized by the American Health Information Community (AHIC).According to their website, HITSP's mission is to "serve as a cooperative partnership between the public and private sectors for the purpose of achieving a widely accepted and useful set of standards specifically to enable and support widespread interoperability among healthcare software applications, as they will interact in a local, regional and national health information network for the United States."