The Editor-in-Chief would like to thank the following reviewers for their valued support in 2021:
Abdelkader, Khaled
Albert, John
Alves, Cristina
Alves, Philippe
Amanatullah, Derek
Andersson, Jonny
Aprato, Alessandro
Argenson, Jean-Noel
Arts, Chris
Atalar, Ata Can
Avendano-Sola, Cristina
Aydin, Nuri
Babst, Reto
Balaco, Ines
Baldini, Nicola
Barouk, Pierre
Bel, Jean-Christophe
Bellotti, Vittorio
Berk, Haluk
Bernasconi, Alessio
Billières, Julien
Birsel, Olgar
Bolia, Ioanna
Bonanzinga, Tommaso
Borroni, Mario
Bruguera, Juan
Bülow, Erik
Bumbaširević, Marko
Campanacci, Domenico Andrea
Canavese, Federico
Capone, Antonio
Cassiano Neves, Manuel
Castelli, Claudio Carlo
Christofilopoulos, Panayiotis
Cimerman, Matej
Consigliere, Paolo
Cordero, José
Czarnecki, Piotr
D'Ambrosi, Riccardo
D'Angelo, Fabio
Dallari, Dante
de Halleux, Jacques
DeWolde, Lieven
Duart, Julio
Eastwood, Deborah
Ehrnthaller, Christian
Epinette, Jean Alain
Escalada, Ferran
Esteban, Jaime
Falez, Francesco
Farouk, Osama
Feitz, Reinier
Fournier, Roxane
Furnes, Ove
García Cimbrelo, Eduardo
Garcia-Quintanilla, Meritxell
García-Rey, Eduardo
Giannoudis, Peter
Giddins, Grey
Gil-Garay, Enrique
Girard, Julien
Gómez Barrena, Enrique
Gonzalez, Rafael
Górecki, Michał
Guenther, Klaus-Peter
Guerado, Enrique
Haddad, Sleiman
Harasymczuk, Michal
Hefti, Fritz
Hernigou, Philippe
Höch, Andreas
Houvet, Patrick
Hurst, Simon
Jordaan, Pieter
Kaelin, André
Kanakaris, Nikolaos
Karachalios, Theofilos
Karel, Yasmaine
Kicinski, Maciej
Kjaersgaard-Andersen, Per
Konan, Sujith
Krause, Fabian
Kwapisz, Adam
Lädermann, Alexandre
Lafage, Vitginie
Lambert, Simon
Leithner, Andreas
Levy, Ofer
Limb, David
Lindau, Tommy
Lipina, Marina
Lohmann, Christoph
Loppini, Mattia
Lording, Timothy
Lubbeke, Anne
Lussiez, Bruno
Lustig, Sébastien
Macheras, George
Maerdian, Sven
Manca, Mario
Matamalas, Antonia
Mavrogenis, Andreas
Mineiro, Jorge
Mittlmeier, Thomas
Monestier, Luca
Monteagudo, Manuel
Moroder, Philipp
Muñoz Vives, Josep
Nehrer, Stefan
Nelissen, Rob
Neves, Nuno
Nogueira, Monica
Ogrodowicz, Piotr
Olgun, Z. Deniz
Padilla-Eguiluz, Norma G.
Paladini, Paolo
Palazon, Angel
Paloneva, Juha
Pandit, Hemant
Pasquier, Gilles Jean Marie
Pavone, Vito
Perez-Mañanes, Ruben
Perneger, Thomas
Perticarini, Loris
Petek, Daniel
Pizones, Javier
Puri, Ajay
Randelli, Filippo
Rego, Paulo
Richard, Jean-Christophe
Rippstein, Pascal
Romano, Carlo
Rosset, Philippe
Ruggieri, Pietro
Salini, Vincenzo
Santori, Nicola
Savvidou, Olga
Scaltrito, Liborio
Schandl, Karoly
Schmal, Hagen
Schopfer, Albert
Schreurs, Wim
Schultz Larsen, Morten
Slezak, Marta
Solan, Matt
Solarino, Giuseppe
Spranger, Nikolai
Stefaniak, Jakub
Steno, Boris
Stoffel, Karl
Stuby, Fabian
Suva, Domizio
Synder, Marek
Szendrői, Miklós
Szyluk, Karol
Takagi, Michiaki
Thaler, Martin
Thorey, Fritz
Til, Luis
Tillman, Roger
Trebse, Rihard
Tscholl, Philippe
Uckay, Ilker
Ulloa, Maximo
Ursei, Monica
van der Weegen, Walter
Vendittoli, Pascal-André
Verdonk, René
Volpin, Andrea
W-Dahl, Annette
Walecka, Joanna
Wicart, Philippe
Willems, Jaap
Windhager, Reinhard
Winkler, Heinz
Winson, Ian
Wolf, Jennifer
Zimmerman, Malin