Affiliation: | 307 Yoakum Parkway, Unit 1821, Alexandria, VA 22304, USA;Department of Medical Informatics, Columbia University, Vanderbilt Clinic, 5th floor 622 W 168th St., New York, NY 10032-3702, USA;NHII Advisors, 1854 Clarendon Boulevard, Arlington, VA 22201-2914, USA |