We are grateful to all peer reviewers who provide feedback on our reviews. Listed below are those who contributed until the end of 2018.

Argentina

Hugo N Catalano

Australia

David Andresen, Sunil V Badve, Katherine A Barraclough, Gavin Becker, Christopher C Blyth, Ann Bonner, Neil Boudville, Frank Brennan, Nicholas R Brook, Fiona Brown, Adam Buckmaster, John Burke, Ian D Cameron, Katrina L Campbell, Scott Campbell, Steven J Chadban, Maria Chan, Jeremy R Chapman,  Sharon Chen, Ruth Colagiuri, Stephen Colagiuri, Bruce Cooper, Charles Crompton, Aniruddh V Deshpande, Peter Dwyer, Mark Elkins, Elizabeth J Elliott, Robert G Fassett, Randall Faull, David Francis, Louise M Fuller, Charles George, Allan R Glanville, Glenda Gobe, Paul N Goldwater, Kathleen Gray, Deirdre Hahn, David Harris, Helen Healy, Annemarie Hennessy, Paul Henning, Adrian Hibberd, Kylie Hill, Kwok M Ho, Elisabeth M Hodson, Anna Holdgate, Anne E Holland, Melissa Hyde, Ashley Irish, Nikky Isbel, Bruce Jackson, David W Johnson, Colin Jones, Matthew D Jose, Lukas Kairaitis, Joshua Kausman, Peter G Kerr, Richard Kitching, Raymond Ko, Sradha S Kotwal, Leah Krischock, Andre Lalak, Vincent Lam, Robyn Langham, Vincent WS Lee, George Q Li, Henry Liang, Chi Eung Danforn Lim, Rob MacGinley, Fiona Mackie, Guy Maddern, Krishan Madhan, John Mahony, Villis Marshall, Brian May, Stephen McDonald, Peter McIntyre, Andrew McLachlan, Lawrence P McMahon, Keith McNeil, Steven McTaggart, Anthony Meade, Solomon Menahem, Marie L Misso, Ray Morris, Bill Mulley, Kathy Nicholls, Miranda Paraskeva, Eugenie Pedagogos, Elliott Geoffrey Playford, Kevan Polkinghorne, Gopala Rangan, Dwarakanathan Ranganathan, Stephanie Reuter Lange, Matthew A Roberts, Amanda J Robertson, Simon Roger, Catherine Rowe, Vitali Sintchenko, Neil A Smart, Caroline A Smith, Grahame H Smith, Paul Snelling, Tim Spicer, Kamal Sud, Chris Tennant, David Tiller, Markus Trochsler, Deborah Verran, Angela Vivanti, Rowan Walker, Marlene Wiese, Barry Wilkins, Gabrielle Williams, Frank Willis, Germaine Wong, Kate Wyburn

Austria

Rudolf P Obermayr, Andreas Vychytil

Bahrain

Sonia Swetta

Belgium

Daniel Abramowicz, Thierry Christiaens, Karlien Francois, Patrick Honoré, Michel Jadoul, Francois Jouret, Norbert Lameire, Elena Levtchenko, Bart Maes, Evi V Nagler, Willem Proesmans, Marie Schetz, Wim Van Biesen, Johan GJ Vande Walle, Raymond Vanholder, Geert Verleden, Karl-Martin Wissing

Brazil

Carlos A Bezerra, Maristela Bohlke, Mirian A Boim, Maria LG Ferraz, Ita P Heilberg, Vera Koch, Paulo Koch Nogueira, Roberto Pecoits-Filho, Domingos O d'Avila

Bulgaria

Rumen Stefanov, Drozdstoy Stoyanov

Canada

Imtiaz S Ali, Sean M Bagshaw, Patricia E Birk, Laura Bjorkland, Peter Blake, Brian Blew, Scott Brimble, Peter S Bunting, Daniel C Cattran, Ben Chew, William F Clark, Catherine Clase, Edward H Cole, Stephanie Conrad, John Denstedt, Guido Filler, Stephen B Freedman, Denis F Geary, Noel Gibney, Silviu Grisaru, Luis Guerra, Elizabeth Harvey, Diane Hebert, Swapnil Hiremath, Kailash Jindal, Tony Khoury, Bryce Kiberd, Michael P Leonard, Adeera Levin, Francois Madore, Braden J Manns, Anna T Mathew, Sunita Mathur, Christopher W McIntyre, Julian Midgley, A Ross Morton, J Curtis Nickel, Lindsay Nicolle, Richard W Norman, Marta Novak, Matthew J Oliver, Malvinder Parmar, Ramesh Prasad, Robert R Quinn, Pietro Ravani, Colette Raymond, Robert Richardson, Anastasio Salazar, Banu Sis, Donald Studney, Joel M Teichman, Marcello Tonelli, Darin Treleaven, Lavern Vercaigne, Ron Wald, Lori D Wazny

Chile

Ivan Vucina

China

Wei Chen, Xinfeng Guo, Lixing Lao, Zi Li, Jian Ping Liu, Siu Ka Mak, Haiyan Wang, Hong Mei Wu, Hong Zhang

Colombia

Herney A García-Perdomo

Croatia

Danica Batinic

Czech Republic

Tomas Seeman

Denmark

Truls E Bjerklund-Johansen, Pierre Bouchelouche, Torben Clausen, Jon W Gregersen, Carl Erik S Mogensen, Bjarne Myrup, Peter Rossing, Gudrun Kjaer Steffensen, Svend Strandgaard, Julie Svalø Jakobsen, My Svensson

Egypt

Hossam Saleh

Finland

Ilkka Helantera, Matti Nuutinen, Ulla-Maija Rautakorpi

France

Michel Aparicio, Jean-Pierre Boissel, Franck Bruyère, Jean Bréaud, Patrice Cacoub, Noël Cano, Anna Chaimani, Pierre Cochat, Michel Cucherat, Tilman B Drueke, Pierre-Yves Durand, Fadi Fakhouri, Albert Fournier, Abderrahmane Ghazali, Gilles Godet, Margaret Haugh, Jean-Marc Hurot, Claude Jacobs, Paul Jungers, George Kosmadakis, Ziad A Massy, Claire Presne, Guillaume Saint-Lorant, Ludovic Trinquart, Pablo Urena Torres

Germany

Gerhild Becker, Urs Benck, Rainer A Birck, Norbert Braun, Olaf A Brinkmann, Klemens Budde, Christine Clar, Markus Giessing, Jens Gottlieb, Francesco Greco, Peter Gross, Christian Haas, Michael Haase, Judith Heinz, Stefan Herget-Rosenthal, Katrin Hoffmann, Eva Hummers-Pradier, Achim Jorres, Jan Steffen Jürgensen, Markus J Kemper, Bernhard Kraemer, Kurt G Naber, Annette Pohl, Uwe Querfeld, Lutz Renders, Bernd Richter, Franz Schaefer, Helmut Schiffl, Georg Schlieper, Guido Schmiemann, Roswitha Siener, Michael Straub, Frank Strutz, Burkhard Tönshoff, Andrew Ullmann, Christoph Wanner, Elke Weisshaar, Ulrich Wenzel, Joerg Wiemer, Fokko J van der Woude

Ghana

Dwomoa Adu

Greece

Costas Fourtounas, Dimitrios Goumenos, Dimitrios Memmos, Ploumis S Passadakis, Constantinos J Stefanidis, Georgios Vlachopanos, Nick Zavras

Hong Kong

Tak-Mao Chan, NF Lai, Cheuk C Szeto, Sik Nin Wong

Hungary

István Mucsi, Imre Romics, Stephen Vas, Istvan Wittmann

Iceland

Margrit Arnadottir

India

Ganesh Athappan, Arvind Bagga, Sanjeev Gulati, Manisha Sahay, Arbinder K Singal

Ireland

Tom Fahey, Andrew Smyth

Israel

Geoffrey Boner, Leonard Leibovici, Raul Raz, Donald Silverberg, Sari Tal, Asaf Vivante

Italy

Marcello Amato, Alessandro Antonelli, Guido Bellinghieri, Vincenzo Bellizzi, Gianni Bellomo, Stefano Bianchi, Giovambattista Capasso, Nicola Capozza, Gianni Cappelli, Fabio Cirignotta, Franco Citterio, Giacomo Colussi, Francesco Dammacco, Salvatore David, Mariano Feriani, Giacomo Garibotto, Giuseppe Gerna, Gaetano La Manna, Francesco Locatelli, Paolo Malacarne, Annalisa Perna, Claudio Ponticelli, Giuseppe Remuzzi, Zaccaria Ricci, Dario Roccatello, Vincenzo Savica, Francesco Paolo Schena, Claudia Stefanutti, Alberto Trinchieri, Giovambattista Virga, Christian Josef Wiedermann, Carmine Zoccali

Japan

Toshimitsu Niwa, Fumika Taki

South Korea

Byung-Cheul Shin, Jae Il Shin, Qianchun Yang

Malaysia

Rudy Bilous

Morocco

Omar Maoujoud

Netherlands

Stefan P Berger, Peter J Blankestijn, Elisabeth W Boeschoten, Jean-Claude Davin, Jeroen Deegens, Ron Gansevoort, Suzanne E Geerlings, Wim Goettsch, Jayant S Kalpoe, RT Krediet, M. Pilar Laguna, Martin C Michel, Barbara S Niël-Weise, Sita Nys, Heleen Oudemans van Straaten, Jan-Stephan Sanders, Cornelis Schröder, Andries Smit, Jan HM Tordoir, Paul CMS Verhagen, Erik AM Verschuuren, Jack FM Wetzels, Ben de Pauw, Aiko PJ de Vries, Edwin van Adrichem, Willem van Son, Wim van der Bij, Frank M van der Sande, Johannes C van der Wouden

New Zealand

Saib Abbas, Nicholas B Cross, Tim Cundy, Gil Hardy, John Irvine, Tonya Kara, Kelvin Lynn, Mark R Marshall, Suetonia C Palmer, Helen Pilmore, Kannaiyan S Rabindranath, John Schollum, John H Stewart, David Voss, Robert J Walker, Laurie C Williams, William Wong

Norway

Terje Apeland, Anders Baerheim, Solbjorg Sagedal, Hjalmar A Schiøtz

Philippines

Arlene C Crisostomo

Poland

Michal Chmielewski, Tomasz Hryszko, Andrzej J Jaroszynski, Maciej Kosieradzki, Wiktoria Lesniak, Alicja Rydzewska-Rosolowska, Krzysztof Strojek, Marcin Tkaczyk

Portugal

Ana Cabrita, R Russell, M Paterson

Romania

Ionut Nistor

Russia

Vladimir V Rafalskiy

Singapore

Edmund Chiong, Jason CJ Choo, Tazeen Jafar, Cynthia Lim, Isaac D Liu, Hui-Kim Yap

Slovenia

Jadranka Buturovic Ponikvar

South Africa

Geoffrey R Bihl, M Rafique Moosa, Allen Rodgers, David A Thomson

Spain

Xavier Albert, M Dolores Arenas, Jesús Fortún, Secundino C Guldris, Victor Lorenzo Sellares, Javier Maynar Moliner, Nuria Montero, Juan Navarro-Gonzalez, Núria Padulles-Zamora, Julio Pascual, Inmaculado Pereiro, Esteban Poch, Manuel Praga, Carlos Quereda, Nicolás Robles, Daniel Serón, Fernando Valderrabano, Angel LM de Francisco

Sweden

Henrik Ekberg, Magnus Grabe, Anders Grubb, Bengt Rippe, Nils Rodhe, Bernd Stegmayr, Hans-Goran Tiselius, Ole Torffvit

Switzerland

Julia Bohlius, Gregor Lindner, Yimin Lu, Nicole B Vogt-Ferrier

Taiwan

Yung-Ming Chen, Tun-Jun Tsai, Ching-Fang Wu

Turkey

Hasan Serkan Dogan, Zelal Ekinci, Fatih Kircelli

UK

Saeed Ahmed, Tariq Z Ali, John F Asher, Ali Bakran, Debasish Banerjee, Adam Barlow, Martin Barratt, Kolitha Basnayake, J Andrew Bradley, Victoria R Briggs, Edwina Brown, Peter W Brown, Matthew Bultitude, Roberto Cacciola, Philip C Calder, John Stewart Cameron, Prabal K Chatterjee, Joseph Chilcot, Robert Clarke, Christopher P Conlon, Paul Corris, David Cranston, John Cunningham, Conal Daly, Chris Darby, John H Dark, Andrew Davenport, Simon J Davies, Neeraj Dhaun, Edward Dickinson, Michael J Dillon, Borislav D Dimitrov, Rachel Elliott, John Feehally, Leon Fine, Jonathan G Fox, Simon Fraser, Colin Geddes, Jane Goddard, Ram Gokal, David Goldsmith, Paul Good, Kevin Harris, Richard Haynes, Lorna Henderson, Will Herrington, Andrew Hextall, Robert Higgins, Nicholas A Hoenich, David W Holt, Lee Hooper, Joanna Hudson, Neville Jamieson, Alan G Jardine, Ruth G Jepson, Colin H Jones, Nicola Jones, Francis X Keeley, Izhar Khan, Paulus Kirchhof, Christopher J Kirwan, Pelagia Koufaki, John R Lemberger, Gregory YH Lip, Helen MacLaughlin, Netar P Mallick, Aditya Manjunath, Lorna Marson, Philip D Mason, Philip Masson, Heather Maxwell, Ellon McGregor, Hugh McGuire, Iain McPhee, Gary H Mills, Fraser D Munro, James MO N'Dow, Ghulam Nabi, Michael L Nicholson, David Nicol, David W Noble, J Stephen C Noble, John O'Callaghan, Donal O'Donoghue, Shelagh O'Riordan, David Oliveira, Gabriel Oniscu, Marlies Ostermann, Anup Patel, Alan Patrick, Rutger J Ploeg, Jonathan Potter, John Prowle, Charles Pusey, Shahzad G Raja, Hugh Rayner, Lesley Rees, Stuart Rodger, Kourosh Saeb-Parsy, Alan Salama, Moin A Saleem, Pantelis Sarafidis, John Sayer, Sharon Scriven, John JW Sear, Nick Selby, Sapna Shah, Ilona R Shilliday, Sanjay Sinha, Shalom Srirangam, Aristeidis Stavroupoulos, Mark Strachan, Charles P Swainson, Maarten Taal, C Mark Taylor, Peter C Thomson, Paul Thornalley, Kjell Tullus, Neil Turner, Raman Uberoi, Anand Vardhan, Lisa Waddell, Simon Waller, Stephen B Walsh, Nick Webb, David Wheeler, Hugh Whitfield, Martin E Wilkie, Gordon Williams, Peter Wilson, Christopher G Winearls, Wilson Wong, Graham Woodrow, Adrian S Woolf, Julian Wright, Daniel Zehnder, Ione de Brito-Ashurst, Judith van der Voort

USA

Kevin S Abbott, Elias Abrutyn, Anil K Agarwal, Rajiv Agarwal, David Albala, Michael Allon, Uri Alon, John Anderson, Dean Assimos, Mohamed G Atta, Ellis D Avner, Robert Badgett, Linda A Baker, George Bakris, Gary Barone, Bryan N Becker, Stephen Bent, Steve Bent, Timothy Berger, Tomas Berl, Anatole Besarab, Christopher R Blagg, Geoffrey A Block, Fernando Boccalandro, Gregory L Braden, Daniel C Brennan, Patrick D Brophy, Robert Stephen S Brown, Mary Beth Callahan, Andrew M Cameron, Benjamin K Canales, Pasquale Casale, Kevin E Chan, Pranatharthi Chandrasekar, Peale Chuang, Steven Coca, Allan J Collins, Michael J Conlon, Jason M Cota, Errol D Crook, Dinna N Cruz, Daniel Cukor, Gary Curhan, Sumanth R Daram, Ingemar Davidson, Ian D de Boer, Abhishek J Deshmukh, Prasad Devarajan, Jose A Diaz-Buxo, Charles J Diskin, James V Donadio, Holger K Eltzschig, Michael Emmett, Milo Engoren, Michael Ernst, Harold I Feldman, Stephan Fihn, Fredric Finkelstein, Steven Fishbane, Stuart Flechner, Jennifer E Flythe, Richard Freeman, Jonathan A Fridell, Gerhard M Fuchs, Susan L Furth, Brian Gallay, Edward Garrity, Susan Garwood, Romolo J Gaspari, Vincent H Gattone, Bernard Gauthier, Michael J Germain, Richard J Glassock, David S Goldfarb, Ann Gormley, Joseph P Grande, Jared J Grantham, J Damien Grattan-Smith, Arthur Greenberg, David Guay, Lisa Guay-Woodford, Kalpana Gupta, Gary R Haynes, Lee Hebert, Stanley Hellerstein, Mitchell L Henry, Dirk Hentschel, Sheldon Hirsch, Alejandro Hoberman, Ronald Hogg, Jean L Holley, Thomas M Hooton, Thomas Hostetter, Michael Hsieh, Tom S Huber, Gabor G Illei, Susan E Ingraham, Nishant B Jalandhara, William C Jennings, Richard J Johnson, Kamyar Kalantar-Zadeh, Alex Kallen, John A. Kellum, Kathi J Kemper, Chad Kessler, Karin T Kirchhoff, David M Kitchens, David K Klassen, Michael Kleinberg, Bodo E Knudsen, Ronald L Koretz, Peter Kotanko, Eugene C Kovalik, Jeff Kraut, Craig B Langman, Alison S Laufer, David A Leaf, Edgar V Lerma, Guangxi Li, Kenneth Lieberman, John Lieske, Darren Linkin, Michael E Lipkin, Kathleen D Liu, John Longhurst, Yair Lotan, Patrick Lowry, Fu L Luan, Randy Luciano, John C Magee, John D Mahan, Angela Marin, Mariana Markell, Paul Martin, Tej Mattoo, Laurie S Mauro, Finnian McCausland, Peter A McCullough, Rita L McGill, David Mehr, Jawahar L Mehta, Linda N Meurer, Mini Michael, Loren G Miller, William E Mitch, Sharon M Moe, Andras Mogyorosi, Donald A Molony, Manoj Monga, Gregory Moran, Virginia A Moyer, Jair Munoz Mendoza, Wadie I Najm, Sriram Narsipur, Sankar D Navaneethan, Robert Nelson, Timothy J Ness, Carla M Nester, Alicia M Neu, Gaurav Nigam, Sagar U Nigwekar, John O'Connor, Mary E Olbrisch, Catherine Oliphant, Patricia Painter, Paul M Palevsky, Chirag R Parikh, J Kellogg Parsons, William D Paulson, Margaret S Pearle, Beth Piraino, Roberto Pisoni, Glenn M Preminger, Raymond Quigley, Wajeh Y Qunibi, Ralph Rabkin, Kalyanakrishnan Ramakrishnan, Raymund Razonable, Muhammad Riaz, Ana C Ricardo, R. Brooks Robey, Mitchell H Rosner, Karl S Roth, Michael R Rudnick, Khashayar Sakhaee, Milagros D Samaniego-Picota, Joshua A Samuels, Cheryl P Sanchez, Jane Schell, Jerry A Schneider, Robert W Schrier, Andrew Schwaderer, Brad Schwartz, Michael H Schwenk, Dorry L Segev, Joseph I Shapiro, Ron Shapiro, Ahmed Sherif Meguid, Roman Shingarev, Shayan Shirazian, Domenic Sica, Lorne N Small, Stuart Sprague, Theodore I Steinman, Robert J Stratta, Sarah J Swartz, Minoru Tabata, David A Tanen, Gregory Tasian, David R Thomas, Vicente Torres, Eric Treat, Delphine S Tuot, Katherine J Tuttle, Antonios H Tzamaloukas, Jaime Uribarri, Paul Vaitkus, Robert S Van Howe, Joseph Vassalotti, Ian Vela, Ramash Venkataraman, Joseph G Verbalis, Ashish Verma, Gebhard Wagener, Chenchen Wang, Shihan Wang, Richard A Ward, Haimanot Wasse, Suzanne Watnick, Stephen G Weber, Matthew Weir, Robert A Weiss, Thomas Welch, Katherine Wesseling-Perry, Kenneth Wilund, James F Winchester, Jay B Wish, Michelle MY Wong, Elaine Worcester, Christina Wyatt, Robert J Wyatt, Gil Yosipovitch, Christina Yuan.

We also wish to acknowledge reviewers who have chosen to remain anonymous.