- https://www.mayoclinic.org
- info@mayoclinic.org
- +1-507-284-2511
- Mayo Clinic, 7 Level Skyway, Rochester, Olmsted County, Minnesota, 55903, United States
- https://my.clevelandclinic.org
- contact@ccf.org
- +1-216-444-2200
- Cleveland Clinic, 9500, Euclid Avenue, Fairfax, Cleveland, Cuyahoga County, Ohio, 44195, United States
- https://healthy.kaiserpermanente.org
- info@kp.org
- +1-800-464-4000
- Kaiser Permanente, 18600, South Figueroa Street, Gardena, Los Angeles County, California, 90248, United States
- https://hcahealthcare.com
- contact@hcahealthcare.com
- +1-844-706-8773
- One Park Plaza, Nashville, TN 37203, USA
- https://www.hopkinsmedicine.org
- jhminfo@jhmi.edu
- +1-410-955-5000
- 733, North Broadway, Middle East, Baltimore, Maryland, 21205, United States
- https://www.nhs.uk
- england.contactus@nhs.net
- +44-300-311-22-33
- Wellington House, 133-155, Waterloo Road, South Bank, Waterloo, London Borough of Lambeth, Greater London, England, SE1 8UG, United Kingdom