In a newly released ranking of the best medical centers in the country, U.S. News & World Report declared the Mayo Clinic in Rochester, Minnesota, No.1.

The publication’s annual report listed The Cleveland Clinic as No. 2, followed by Massachusetts General Hospital. U.S. News determines the rankings using objective measures including patient survival, number of patients, infection, and adequacy of nurses.

"We strive to provide patients with the highest-quality information on hospitals available," Ben Harder, chief of health analysis at U.S. News, said in a press release. "Driving for broader transparency and evaluating hospitals in a comprehensive, fair way reflects that mission."

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Here is the full list:

1.       Mayo Clinic, Rochester, Minnesota

2.       Cleveland Clinic, Cleveland

3.       Massachusetts General Hospital, Boston

4.       Johns Hopkins Hospital, Baltimore

5.       UCLA Medical Center, Los Angeles

6.       New York-Presbyterian University Hospital of Columbia and Cornell, New York City

7.       UCSF Medical Center, San Francisco

8.       Northwestern Memorial Hospital, Chicago

9.       Hospitals of the University of Pennsylvania-Penn Presbyterian, Philadelphia

10.   NYU Langone Medical Center, New York City

11.   Barnes-Jewish Hospital/Washington University, St. Louis

12.   UPMC Presbyterian Shadyside, Pittsburgh, Pennsylvania

13.   Brigham and Women's Hospital, Boston

14.   Stanford Health Care-Stanford Hospital, Stanford, California

15.   Mount Sinai Hospital, New York City

16.   Duke University Hospital, Durham, North Carolina

17.   Cedars-Sinai Medical Center, Los Angeles

18.   University of Michigan Hospitals and Health Centers, Ann Arbor, Michigan

19.   Houston Methodist Hospital, Houston, Texas

20.   University of Colorado Hospital, Aurora, Colorado