Institution: | (1) Division of General Medicine, Department of Medicine, The University of Texas Health Science Center, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900, USA;(2) Intercultural Development Research Association, 5835 Callaghan Road, San Antonio, TX USA, 78228-1102;(3) Division of Clinical Epidemiology, Department of Medicine, The University of Texas Health Science Center, San Antonio, TX, USA |