The Editors wish to thank the following who reviewed manuscripts for Heart, Lung and Circulation during 2021:
Hany Abed
Bridget Abell
Pasquale Abete
Robert Abraham
Walid Abu Arab
Mahmoud Abu-Abeeleh
Heath Adams
Philip D. Adamson
Anil Aggarwala
Alberto Aimo
Douglas Aitken
Chukwudiebube Ajaero
Enoch F. Akowuah
Mohammed Al-Omary
Richard Alcock
Usaid Allahwala
Kevin Allman
Nelson Alphonso
Salah Eldien Altarabsheh
Mikhail Altman
John Alvarez
Makoto Amanuma
John Amerena
Rajiv Ananthakrishna
Blake Angell
James Anstey
Kazutaka Aonuma
Amr Arafat
Clare Arnott
Con Aroney
Nicholas Aroney
Petros Arsenos
John Artrip
Shambhu Aryal
Michael Arzt
Yasuhide Asaumi
Carolyn Astley
Emily Atkins
Alberto Avolio
Ahmet Aykan
Philip Aylward
Abraham Babu
Soyhan Baǧci
Tim Baillie
David Baker
Paul Bamford
Stephen Barnett
Jennifer Barraclough
Nicole Bart
Sumita Barua
Levi Bassin
Bruce Bastian
Angus Baumann
Andrei Beliaev
John Beltrame
Richard Bennett
Adam Berger
Monique Bernard
Nathan Better
Ashwin Bhaskaran
Aditya Bhat
Giacomo Bianchi
Elisabetta Bianchini
Ben Bidstrup
Shailesh Bihari
Martin Bishop
Dorothee Boecker
Steven Bottrell
Pierre Boutouyrie
Andrew Boyle
Ludwik Krzysztof Branski
Francisco Breijo-Marquez
Cameron Bridgman
Stephen Brienesse
Johann Brink
Rosa Maria Bruno
Dario Buccheri
René Buchet
Edward Buratto
Sonya Burgess
Beata Burzynska
John A. Cairns
James Donald Cameron
Anthony Camuglia
Dion Candelaria
David Canty
Susie Cartledge
Turgay Celik
David Chambers
William Chan
Sungwon Chang
Charles Chao
Niamh Chapman
Fadi Charchar
Jianye Chen
Lisa Chen
Derek Chew
William Chik
James Chong
Christopher Choong
Magdalena Chottova Dvorakova
Preeti Choudhary
Clara Chow
Jonathan Christiansen
Arrigo F.G. Cicero
Francesco Clemenza
Rachel Climie
Andrew Cochrane
Nick Collins
David Colquhoun
Aaron Conway
Joyce Cooper
Genevieve Coorey
Rachael Louise Cordina
Benedict Costello
Arthur Coverdale
Gregory Cranney
David Cross
Louise Cullen
Paolo D'Ambrosio
Arun Dahiya
Matthew Daniels
Anthony Dart
Rustem Dautov
Hitendu Dave
Patricia Davidson
Piroze M. Davierwala
Allan Davies
Lloyd Davis
Joe Dawson
Luke Dawson
Ole De Backer
Luciano De Biase
Francisco Javier De Haro-Del Moral
Carmine De Pasquale
Kasun De Silva
Margreet R. De Vries
Jenny Deague
Hiba Deek
Sinny Delacroix
Russell Denman
Robert Denniss
Gerard P. Devlin
Jayesh Dhanani
Rami Dhillon
Ioannis Dimarakis
Jörg H.W. Distler
Robert Doughty
Cameron Dowling
Andrea Driscoll
Ben Dunne
Nathan Dwyer
James Edelman
John Edmond
Simon Eggleton
Adam El Gamel
Adrian Elliott
Elsayed Elmistekawy
Mehrdad Emami
Nevzat Erdil
Roger Evans
Mehmet Eyuboglu
Allamanda Faatoese
Xuexian Fang
Ahmad Farshid
Trevor Fayers
Caleb Ferguson
Aaisha Ferkh
Josef Finsterer
Benjamin (Ben) Fitzgerald
Steve Foulkes
Scott Fox
John Fraser
Thomas Frauenfelder
Anthony Freeman
Stephen Fremes
John French
Tyson Fricke
John Funder AC
Celine Gallagher
Martin Gallagher
Robyn Gallagher
Gary C.H. Gan
Anand Ganesan
Samad Ghaffari
Justin Ghosh
Francesco Giannini
Harry Gibbs
Sonali Gnanenthiran
Jacob Goldstein
Jonathan Golledge
Robert Gooley
Gary Gordon
Anders Gottsäter
Paul Gould
Marie José T.H. Goumans
Emily Granger
Christoph Gräni
Peter Grant
Steven Greenway
Ann Gregory
Michael Grimm
Okan Gulel
Pieter Jan D.F. Guns
Ronen Gurvitch
Bernhard Hametner
Christian Hamilton-Craig
Christopher Hammett
Peter Hansen
Ashutosh Hardikar
James Hare
Richard Harper
Jo Harrison
Matire L N Harwood
Ragheb I R Hasan
Christopher Hayward
Philip Hayward
Christian Hendrik Heeger
Jordi Heijman
Simon Helleputte
Jeroen Hendriks
Roddy Hiram
Anne Holland
David Holland
Livia Hool
John Horowitz
Chi-Jen Hsu
Whady Armindo Hueb
Julie Humphries
Alex Hussey
Karice Hyun
Jodie Ingles
Julia Isbister
Satoru Ito
Ajay Iyengar
Andrew Jabbour
Alun Jackson
Nicholas Jackson
Mangesh Jadhav
Nishank Jain
Pankaj Jain
Garry Jennings
Richmond Jeremy
Neerod Jha
Dylan Jones
Majo X. Joseph
Prashant Joshi
Subodh B. Joshi
Jonathan Kalman
Herbert Kaltner
Edo Kaluski
Yasith Kamaladasa
Hideaki Kanazawa
Ad Kaptein
Keyvan Karimi Galougahi
Tom Karl
Rajesh Katare
Mohd Ali Katijjahbe
Pankaj Kaul
Katherine Kearney
Anthony Keech
Zohya Khalique
Jens Kilian
Won-Keun Kim
Eddy Kizana
Petra Kleinbongard
Harry Klimis
Avinash Kondiboyina
Hidekazu Kondo
Igor E. Konstantinov
Erina Korohina
Yasuhito Kotake
Eugene Kotlyar
Katharine Kott
Lutz Kraushaar
Sivakumar Krishnasamy
Leonard Kritharides
Annika Kroeger
Saurabh Kumar
Gayathri Kumarasinghe
Sirinart Kumfu
Atsushi Kuno
Toshiki Kuno
Virag Kushwaha
Chun Shing Kwok
Sean Lal
Gaetano Antonio Lanza
Karina Laohachai
Robert Larbalestier
V. N. Larina
Jo-Dee Lattimore
Dennis H Lau
Edmund Lau
Jerrett Lau
Jamie Layland
Geoff Lee
Melissa Lee
Sam J. Lehman
Anthony Leicht
Joshua Leiws
Paul Leong
Sandra Lever
Gary Liew
Han Lim
Toon Wei Lim
Li Lin
Johannes H.N. Lindeman
Zhihong Liu
Sidney Lo
Lien Lombardo
Harry Lowe
Peter Macdonald
Michał Maczewski
Devan Mahadavan
Rajiv Mahajan
Keitaro Mahara
Varun Malik
Samuel P. Mandell
Silvana Francesca Marasco
Jessica Marathe
Francine Marques
Andrew Martin
Lorelle Martin
Paul Martin
Christopher Clemens Mayer
R. Doug McEvoy
Michael McGee
David McGiffin
Scott McKenzie
Tanya McWilliams
Chris Merry
Antonio Miceli
Anastasia Mihailidou
Jose Mill
Gassan Moady
Norman Morris
Simon Moten
Ioana Mozos
David Muller
Nicola Mumoli
Stuart Murch
Dale J. Murdoch
Lucy Murtha
Christian Mussap
Kavitha Muthiah
Jonathan Mynard
Rishendran Naidoo
Chrishan Nalliah
Siva Namachivayam
Shane Nanayakkara
Christopher Naoum
Muhammad Nawaz
Vineet Nayyar
Kazuaki Negishi
Adam Nelson
Zoltán H. Németh
Paul Nestel
Andrew Newcomb
M. Newman
Arnold Ng
Benjamin Ng
Doan Ngo
Linh Ngo
Mugur Nicolae
Peter M. Nilsson
Hiroyuki Nishi
Clare O'Donnell
Christopher Occleshaw
Glaucia Oliveira
Gao Ong
Romulo Oqueli
Yishay Orr
Isabel R. Orriss
James Otton
Nischal Pandya
Vasileios Panoulas
Cynthia Papendick
Ramanathan Parameswaran
Kosmas I. Paraskevas
William Parsonage
Sanjay Patel
Hugh Paterson
Faraz Pathan
Robert A. Peattie
Wenbo Peng
Jacqueline Pengelly
Salvatore Pepe
Giovanni Peretto
Rebecca Perry
Karlheinz Peter
Roger Peverill
John Pickering
Dean Picone
Sante Donato Pierdomenico
Sherry Pinkstaff
Anthony Pisaniello
David Platts
David Playford
Kian Keong Poh
Daniel Polesel
Karl Poon
Sandeep Prabhu
Darnel Prakoso
Sandhir Prasad
Vikram Prasad
Roslyn Prichard
David Prior
Rajesh Puranik
Rishi Puri
Pierre Qian
Rebecca Raeside
Giuseppe Raffa
Owen Raffel
Jaishankar Raman
Isuru Ranasinghe
Deborah Randall
Hashrul Rashid
Manuel K. Rausch
Michael J. Reardon
Julie Redfern
Christoph Reinhardt
Hanno Riess
Kurt Roberts-Thomson
Ross Laurence Roberts-Thomson
Terry Robertson
Leonardo Roever
David Rollo
Raphael Rosso
Colin Royse
Imants Rubenis
Mark A. Russell
Hisataka Sabe
Julian Sacre
Atsushi Sakamoto
Krzysztof Sanetra
Giuseppe Santarpino
Rajalakshmi Santhanakrishnan
James Sapontis
Stefano Savonitto
Allison Schepers
Martin Schultz
Cameron Seaman
Siven Seevanayagam
Fahad Shaikh
Hongcai Shang
Rahul Sharma
Saurabh Sharma
William Shi
Calvin Sidhu
Leon Simons
Kuljit Singh
Ajay Sinhal
Marc Sintek
Michael Skilton
Jonathan Skinner
Thomas van Slotten
Bart Spronck
Piyush Srivastava
Peter Stewart
Ralph Stewart
Michael Stowasser
Dion Stub
Koichi Sughimoto
Oscar E. Suman
Zhonghua Sun
Nigel Sutherland
Aaron Sverdlov
Joanna Sweeting
Laura L. Swystun
Timothy Tan
Manabu Taneike
James Tatoulis
Andrew Taylor
Dimitrios Terentes-Printzios
Rajarajan Thandavarayan
John Tharion
Liza Thomas
Paul Thomas
Angus Thompson
Peter Thompson
David Tian
Liam Toner
Sascha Treskatsch
Hiroyuki Tsutsui
Stuart Turner
William van Gaal
Stephen Vernon
Laurencia Villalba
Elmer Villanueva
Sohaib Virk
Aleksandr Voskoboinik
Sudhir Wahi
Darren Walters
Anthony Walton
Bing Wang
Hao Wang
Jiaan Der Wang
Mingyi Wang
Shuiyun Wang
Tom Kai Ming Wang
Michael Ward
Gerald Watts
James Weaver
Mark W.I. Webster
Kate Weeks
Qiang Wei
William Weightman
Anthony White
Harvey White
Nicholas Whitehead
Vishva Wijesekera
Ian Wilcox
Michael Williams
William Wilson
David Winlaw
Maria Wittmann
Christopher Wong
Michael Wong
Fiona Melanie Wood
Gavin Wright
Leah Wright
Rochelle Wynne
Bo Xu
Raibhan Yadav
Bryan P Yan
Yang Yang
Jian Ye
Julian Yeoh
Stephanie Yiallourou
Aysel Yildiz
Andy Yong
Gerald Yong
Hyungjin Yoon
Sarah Zaman
Robert Zecchin
Christopher Zeitz
Dominica Zentner
Mohamed Zeriouh
Dong Fang Zhao
