Toward a science of learning systems: a research agenda for the high-functioning Learning Health System. - Charles P. Friedman; Joshua C. Rubin; Jeffrey S. Brown; Melinda Buntin; Milton Corn; Lynn Etheredge; Carl A. Gunter; Mark A. Musen; Richard Platt; William W. Stead; Kevin J. Sullivan; Douglas Van Houweling (J. Am. Medical Informatics Assoc., 2015)