Abstract
1School of Medicine, Division of Inflammation and Inflammatory Diseases, Immunology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; 2Slovenia Academic Research Center, Slovenian Medical Academy, Medical Association of Slovenia and SMA, Ljubljana, Slovenia; 3Department of Vascular Surgery, Apollo-CVHF Hospital, Ahmedabad, India; 4Clinic of Angiology, Zentrum f iota ir Innere Medizin II, Ernst von Bergmann Klinikum, Potsdam, Germany; 5Unit of Angiology, Department of Biomedical Science, Research Center on Vascular Disease, L. Sacco Hospital, University of Milan, Milan, Italy; 6Department of Vascular Surgery, Sultan Qaboos University Hospital, Muscat, Oman; 7Division of Vascular Surgery, King Saud University, Riyadh, Kingdom of Saudi Arabia; 8Varicose Veins and Vascular Polyclinic (VVVC), Damascus, Syria; 9National Institute of Cardiovascular Diseases and Hospital, Dhaka, Bangladesh; 10Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; 11Department of Vascular Surgery, St. James's Hospital/Trinity College Dublin, Dublin, Ireland; 12Department of Vascular Surgery, University Hospital Mekur, Zagreb, Croatia; 13Department of Vascular and Endovascular Surgery, Ramaiah Medical College Hospital, Bangalore, India; 14Unit of Vascular Surgery, Third Department of Internal Medicine, Sotiria Hospital, National and Kapodistrian University of Athens, Athens, Greece; 15Department of Cardiovascular Surgery, Faculty of Medicine, Gazi University, Ankara, Turkey; 16Department of Angiology, St. Imre University Teaching Hospital, Budapest, Hungary; 17Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Teviot Place, Edinburgh, UK; 18Hematology and Thrombosis Center, Hopitaux Universitaires de l'Est Parisien, Assistance Publique Hopitaux de Paris, Faculty of Medicine,