We are grateful to peer reviewers that provided support to our reviews throughout 2021:
- Rodrigo Bagur
- Colin M. Barker, M.D. Vanderbilt University Medical Center
- Arden Barry, PharmD, The University of British Columbia
- Luigi Biasco, MD, PhD. Department of Biomedical Sciences, Università della Svizzera Italiana
- Axel Brandes, Department of Cardiology, Odense University Hospital, Odense, Denmark
- Claudio A Bravo, Department of Medicine, Division of Cardiology, University of Washington, Washington, USA
- Benjamin Buckley
- Francisca Caetano, Royal Brompton and Harefield Hospitals, a part of GSTT NHS Foundation Trust
- Mark Y. Chan Yong Loo Lin School of Medicine Singapore
- Peter Clifton, University of South Australia
- Philippa Davies, University of Bristol
- Gabor Erdoes, MD, PhD. Inselspital, University hospital Bern, University of Bern, Bern, Switzerland
- Caleb Ferguson, Western Sydney University & Western Sydney Local Health District
- Nicholas E Harrison, MD MSc, Indiana University School of Medicine
- Francisco Hidalgo, MD, PhD, Department of Cardiology. Reina Sofía Hospital. Instituto Maimonides de Investigación Biomédica de Córdoba, Córdoba, Spain
- Charles W. Hogue, MD, Professor & Chair, Department of Anesthesiology, Northwestern
- Kamrouz Ghadimi, MD, MHSc ; Associate Professor of Anesthesiology & Critical Care, Duke University School of Medicine
- Hilary P. Grocott, University of Manitoba
- Prakash Gudsoorkar. MD.FASN,FNKF. Asst. Professor of Medicine, Div. of Nephrology and Kidney C.A.R.E. Program, Uni. of Cincinnati, OH, USA
- Jeffrey Goldberger, University of Miami Miller School of Medicine
- Tsuyoshi Kaneko
- Scott Kinlay, MBBS, PhD. Veterans Affairs Boston Healthcare System
- Peter Langhorne, University of Glasgow
- David Leaper DSc MD ChM FRCS FACS. Emeritus Professor of Surgery, University of Newcastle upon Tyne
- Gregory Lip
- Jerrold H Levy, MD, FAHA, FCCM
- Giancarlo Marenzi, MD. Centro Cardiologico Monzino, IRCCS, Milan, Italy
- Giovanni Mariscalco, University of Leicester, UK
- Gordon McGregor UHCW NHS Trust/Coventry University/University of Warwick
- David R McIlroy, Vanderbilt University Medical Center, Nashville, TN, USA and Monash University, Melbourne, Australia.
- Fred Mihm, MD. Department of Anesethesiology, Perioperative and Pain Medicine, Stanford University School of Medicine
- William Moody, Consultant Cardiologist, University Hospitals Birmingham NHS Trust
- Mamoo Nakamura, MD, Smidt Heart Institute at Cedars-Sinai
- Mark Nidorf Cardiologist, GenesisCare (Australia)
- Sumanth D. Prabhu, MD; Professor and Director, Cardiovascular Disease; University of Alabama at Birmingham
- Hariharan Raju, Macquarie University, Sydney, Australia
- Kiran Sidhu, MD FRCPC
- Erik Sloth, Professor, MD., Ph.D, DMSc, Central Denmark Region
- Louise Sun, MD SM FRCPC FAHA, Associate Professor of Anesthesiology and Epidemiology, University of Ottawa Heart Institute
- Majid Mufaqam Syed Abdul, Toronto General Research Institute, University Health Network, University of Toronto
- Balachundhar Subramaniam. Professor of Anesthesiology, Harvard Medical School
- Jean-Claude Tardif MD, Montreal Heart Institute, Université de Montréal
- Georgios Tsivgoulis, Second Department of Neurology, National and Kapodistrian University of Athens, Greece
- Maya K Vadiveloo, University of Rhode Island
- Bernardo Perez Villa MD MSc
- Maurizio Volterrani, Director of the Cardiac Pulmonary Science Dep. at IRCCS San Raffaele Pisana in Rome
- Leigh White, Department of Anesthesia and Perioperative Medicine, Sunshine Coast University Hospital, Queensland, Australia