Royal United Hospital Bath, Bath, United Kingdom
Queen Victoria Hospital, East Grinstead, United Kingdom
Queen Elizabeth the Queen Mother Hospital, Margate, Kent, United Kingdom
HMC Health, London, United Kingdom
Nottingham University Hospitals City Hospital, Hucknall Rd,, Nottingham, United Kingdom
The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
Prisma Health, Greer, South Carolina, United States
Poradnia Chorób Naczyń Obwodowych MIKOMED, Łódź, Poland
Dr Thirumani Govender, Bellville,, Cape Town, South Africa
Delft Day Hospital Premises, Delft S., Cape Town, South Africa
Brooklyn Chest Hospital, Ysterplaat,, Cape Town, South Africa
Shamir (Assaf Harofeh) Medical Center, Rishon LeZion, Israel
Sheba Medical Center (Tel Hashomer), Ramat Gan, Israel
KAT Attica General Hospital, Athens, Greece
Whiston Hospital - Mersey and West Lancashire Teaching Hospitals Trust, Rainhill, Merseyside, United Kingdom
Royal Victoria Infirmary Newcastle Upon Tyne NHS Foundation Trust, Newcastle- Upon Tyne, Tyne and Wear, United Kingdom
James Paget University Hospitals NHS Foundation Trust, Great Yarmouth, United Kingdom
Tameside General Hospital, Ashton-under-Lyne, United Kingdom
Wirral University Teaching Hospital NHS Foundation Trust, Wirral, United Kingdom
University of Kentucky College of Medicine UK Medical Center, Lexington, Kentucky, United States
Cleveland Clinic, Weston, Florida, United States
Cleveland Clinic Foundation, Cleveland, Ohio, United States