Question: Washington University in St. Louis and University of Colorado, are located in which country?

Context paragraphs:
James D. Weddle: James D. Weddle is the managing partner of Edward Jones Investments.  He joined the firm as an intern while earning his MBA at Washington University in St. Louis when he was hired in 1976 as a part-time intern in the firm’s Research department.  After completing his MBA, Weddle left Research to become a financial adviser in Connersville, Indiana.  He opened the firm’s 200th branch.  In 1984, Weddle was named a principal in the firm and moved back to St. Louis, Missouri, where he assumed a series of responsibilities, including one of the firm’s largest areas, Mutual Fund Sales and Marketing.  He is a graduate of DePauw University, where he was a member of Delta Kappa Epsilon Fraternity.  Weddle is a member of the University of Missouri Chancellor's Council, the Washington University Olin School of Business National Council, the Webster University Board of Trustees, President of the Board of The United Way Of Greater St. Louis, a member of the Board of Governors for the Financial Industry Regulatory Authority, and a past board member of the Securities Industry and Financial Markets Association.

Washington University Bears: The Washington University Bears are the athletic teams of Washington University in St. Louis, located in St. Louis, Missouri, United States.  Washington University is currently a member of the National Collegiate Athletic Association at the NCAA Division III level.  The Bears compete in the University Athletic Association (UAA).

Washington University in St. Louis: Washington University in St. Louis (also referred to as WashU, or WUSTL) is a private research university located in the St. Louis metropolitan area and in Missouri, United States.  Founded in 1853, and named after George Washington, the university has students and faculty from all 50 U.S. states and more than 120 countries.  Twenty-five Nobel laureates have been affiliated with Washington University, nine having done the major part of their pioneering research at the university.  Washington University's undergraduate program is ranked 18th by "U.S. News & World Report" in 2018 and 11th by the Wall Street Journal in their 2018 rankings.  The university is ranked 20th in the world in 2017 by the Academic Ranking of World Universities.

Joseph Gibson Hoyt: Joseph Gibson Hoyt (January 19, 1815 – November 26, 1862) was the first chancellor and a professor of Greek at Washington University in St. Louis (then named Washington Institute in St. Louis) from 1858 to 1862.  Born in Dunbarton, New Hampshire in 1815, Hoyt received his undergraduate education at Yale University, where he was a member of Skull and Bones.  After Hoyt's graduation from Yale in 1840, he served as an instructor in mathematics and natural philosophy at Phillips Exeter Academy from 1840 to 1858, before taking up his post at Washington University.  In 1862, Hoyt died in St. Louis, Missouri at the age of 47.

Washington University School of Medicine: Washington University School of Medicine (WUSM), located in St. Louis, Missouri, is the medical school of Washington University in St. Louis on the eastern border of Forest Park in St. Louis.  Founded in 1891, the School of Medicine has 1,260 students, 604 of which are pursuing a medical degree with or without a combined Doctor of Philosophy or other advanced degree.  It also offers doctorate degrees in biomedical research through the Division of Biology and Biological Sciences.  The School has developed large physical therapy (273 students) and occupational therapy (233 students) programs, as well as the Program in Audiology and Communication Sciences (100 students) which includes a Doctor of Audiology (Au.D.)  degree and a Master of Science in Deaf Education (M.S.D.E.) degree.  There are 1,772 faculty, 1,022 residents, and 765 fellows.

William S. Sly: William S. Sly (October 19, 1932 – ) is an internationally known physician/scientist who, except for sabbatical years at Oxford and Stanford, spent his entire academic career in St. Louis.  Following M.D. training at Saint Louis University School of Medicine, he trained in Internal Medicine at Washington University in St. Louis and in research laboratories at the NIH, in Paris, and in Madison, Wisconsin.  He then joined the faculty at Washington University, where he directed the Division of Medical Genetics for 20 years.  In 1984, he was recruited to St. Louis University School of Medicine and appointed Alice A. Doisy Professor and Chairman of the Edward A. Doisy Department of Biochemistry and Molecular Biology.  He chaired that Department for 26 years.  In February 2007, he was also named the inaugural holder of the James B. and Joan C. Peters Endowed Chair in Biochemistry and Molecular Biology.  He became an Emeritus Professor in July 2014.

University of Colorado: The University of Colorado system is a system of public universities in Colorado consisting of four campuses: University of Colorado Boulder, University of Colorado Colorado Springs, University of Colorado Denver in downtown Denver and at the Anschutz Medical Campus in Aurora.  It is governed by the elected, nine-member Board of Regents of the University of Colorado.

Washington University School of Dental Medicine: The Washington University School of Dental Medicine (WUSDM) was the dental school of Washington University in St. Louis.  It operated from 1866 to 1991.  Over 5,000 dentists were educated at WUSDM.  WUSDM was a pioneer in the practice of scientific dental education previously absent in the dental profession.  The school was founded by the Missouri State Dental Society and dentist Henry E. Peebles as the Missouri Dental College in 1866.  The first dean of the school was Homer Judd.  It is the first dental school west of the Mississippi River and only the sixth dental school in the U.S.  In 1892 the Missouri Dental College merged with Washington University in St. Louis, becoming the Dental Department of Washington University.  In 1908 the first woman was admitted to study at the university.

Washington University Medical Center: The Washington University Medical Center (WUMC), located in St. Louis, Missouri, is a large scale health-care focused commercial development located in St. Louis' Central West End neighborhood.  The Washington University Medical Center Redevelopment Corporation focuses on developing public-private partnerships that promote infrastructure and housing development in the WUMC area.  As of 2017, the executive director of WUMCRC is Brian Phillips.  Although many of the institutions are affiliated with Washington University in St. Louis, most of the institutions of WUMC are independent of the university.

Mallinckrodt Institute of Radiology: The Mallinckrodt Institute of Radiology (MIR) is an academic radiology center associated with the Washington University School of Medicine, located within the Washington University Medical Center in St. Louis, Missouri.  In addition to providing diagnostic and therapeutic patient-care services, the institute is a top research and education center.  It employs over 140 academic staff and is among the top recipients of National Institutes of Health funding of radiology departments.  The center provides radiology services to Barnes-Jewish and St. Louis Children's hospitals, as well as multiple other hospitals and outpatient centers in the St. Louis area.  The center performs 700,000 examinations and procedures annually.

Supporting paragraphs: Washington University in St. Louis University of Colorado
Answer: United States