The editorial team greatly appreciates the reviewers who have dedicated their considerable time and expertise to the journal’s rigorous editorial process over the past 12 months, regardless of whether the papers are finally published or not. In 2019, a total of 92 papers were published in the journal, with a median time to first decision of 20 days and a median time from submission to publication of 52.5 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019:
| Adam, Szromek | Juan José, Tarí |
| Afsin, Sahin | Julia, Strauss |
| Agnieszka, Zur | Julie, Benesh |
| Agota Giedre, Raisiene | Juraj, Nemec |
| Alberto, Cerezo-Narváez | Katarzyna, Sienkiewicz-Małyjurek |
| Alberto, Ferraris | Kathy, Lewis |
| Aleksandrs, Cepilovs | Khai The, Nguyen |
| Alessio, Lo Giudice | Kirsi, Aaltonen |
| Alex, Almici | Koteshwar, Chirumalla |
| Alex, Maritz | Lasse, Berntzen |
| Alfio, Strano | Linda, Dennard |
| Alfonso, González-Briones | Ljiljana, Božić |
| Algerian, Hart | Luigi, Aldieri |
| Alina, Badulescu | Luis, Mendes |
| Álvarez García, José | Luísa Cagica, Carvalho |
| Ana, Aleksić | Lukasz, Nazarko |
| Ana-Maria, Bercu | Magdalena, Sobocińska |
| Andrea, Raggi | Magesh, Nagarajan |
| Andreja, Pucihar | Malgorzata, Pankowska |
| Angela, Roman | Marcin, Błażejowski |
| Ani, Matei | Marco, Tregua |
| Anibal E., Toscano-Hernández | Marcus, Mauldin |
| Anna, Irimias | Marek, Cwiklicki |
| Annalisa, Sentuti | María Antonia, García-Benau |
| Annamaria, Zampella | María Dolores, Sánchez-Fernández |
| Anne, Velenturf | María Huertas, González-Serrano |
| Anthony, Boardman | Maria I., Marshall |
| Antonio, Nesticò | Maria, Holgado Granados |
| Aritra, Ghosh | Maria, Urbaniec |
| Aron, Perenyi | Marian Bosch, Rekveldt |
| Bankole, Awuzie | Maribel, Guerrero |
| Barbara, Fura | Mário José Baptista, Franco |
| Barbara, Petracci | Massimiliano, Ferrara |
| Barbulescu, Alina | Matteo, Cristofaro |
| Beata, Stępień | Michael John, Dougherty |
| Bedilia, Estrada-Torres | Michael, Martin |
| Bjorn, De Koeijer | Michael, McAleer |
| Bratitsis, Tharrenos | Michael, Mintrom |
| Brian, An | Miguel-Ángel, Galindo-Martín |
| Carles, Manera | Mihaela, Mocanu |
| Carlos, Atienza | Mike G., Tsionas |
| Carmen, Păunescu | Mike, Voight |
| Chandan, Jha | Mirela, Panait |
| Christoph S., Weber | Miriam, Jankalová |
| Chung-Jen, Huang | Mohamed Yacine, Haddoud |
| Cihan, Cobanoglu | Mohammad, Nurunnabi |
| Cui, Ge | Monika, Mačiulienė |
| Daiva, Žostautienė | Muhammad, Fazal Ijaz |
| Dalia, Streimikiene | Nadeera, Ranabahu |
| Dan, Dumitriu | Nádia, Simões |
| Dan-Cristian, Dabija | Nadine, Arnold |
| Daniel, Bădulescu | Natalie W. M., Wong |
| Daniel, Elduque | Natanyna, Meyer |
| Daniel, Lee | Nicoleta Dorina, Racolța-Paina |
| Datis, Khajeheian | Nikolaos, Apostolopoulos |
| David, Borge-Diez | Nuno, Arroteia |
| David, Charles | Olga, Martyniuk |
| David, Wuepper | Ondřej, Dvouletý |
| Davide, Settembre Blundo | Oriana, Gava |
| Diana, Dumitras | Otilia, Manta |
| Diego, Corrales-Garay | Paola, Demartini |
| Dieter, Bögenhold | Paolo, Rosa |
| Dietrich, Schmidt-Vogt | Pedro Fernandes, Anunciação |
| Dmitrys, Ruban | Pedro, Simoes |
| Do-Hyung, Park | Peter, Ruckdeschel |
| Domicián, Máté | Piera, Centobelli |
| Domingo, Ribeiro-Soriano | Piers, Thompson |
| Donatella, Privitera | Piotr, Wiśniewski |
| Dongkuk, Lim | Popescu, Catalin |
| Doyeon, Won | Przemek, Mucko |
| Dragana, Radicic | Radek, Zdeněk |
| Eduard Gabriel, Ceptureanu | Ralf, Isenmann |
| Eduardo, Tomé | Rami, Zeedan |
| Elena Simina, Lakatos | Randall, Holcombe |
| Elif, Genc | Rani, Thanacoody |
| Emilio, Congregado | Raquel M., Balanay |
| Enrico, Bracci | Raquel, Gomez Lopez |
| Erna, Ruijer | Rashid, Maqbool |
| Esther A., Obonyo | Renata, Korsakienė |
| Esther, Salmerón-Manzano | Rern-Jay, Hung |
| Eugeniusz, Koda | Rhys, Andrews |
| Fanny Barbara, Giordano | Riccardo, Fini |
| Federica, Murmura | Rick, Edgeman |
| Federica, Viapiana | Robert Andrei, Buchmann |
| Fernando, Crecente | Roberto, Cervelló-Royo |
| Francesca, Magli | Roland, Bardy |
| Francesco, Di Maddaloni | Rosa Maria, Dangelico |
| Francesco, Mantino | Ryan D., Williamson |
| Francisco Javier, Calero-García | Saba, Siddiki |
| Francisco, Rodríguez | Sabine, Raeder |
| Frank, Li | Sahra, Sedigh Sarvestani |
| František, Milichovský | Scott, Tyson |
| Franz, Wohlgezogen | Sebastian Ion, Ceptureanu |
| Fu-Sheng, Tsai | Sebastian, Aparicio |
| Gabriele, Serafini | Serena, Cubico |
| Gadaf, Rexhepi | Serena, Santis |
| Georgina, Gómez | Seung-Yoon, Rhee |
| Ghulam, Mustafa | Seyedesmaeil, Mousavi |
| Gina Ionela, Butnaru | Sibylle, Heilbrunn |
| Giuseppe T., Cirella | Silvia, Fissi |
| Giuseppe, Nicolò | Simon P., Philbin |
| Głodowska, Agnieszka | Simona Cătălina, Ștefan |
| Grigorios, Kyriakopoulos | Sorin, Burlacu |
| Gyorgy, Jona | Ştefan Cristian, Gherghina |
| Hanna, Górska-Warsewicz | Stefania, Collodi |
| Hannu, Laurila | Taewoo, Nam |
| Hans J., Czap | Tamara, Floricic |
| Henrik, Bang | Thomas, Panagopoulos |
| Hubert, Anysz | Tomás, López-Guzmán |
| Irene, Comeig | Tomasz, Rachwał |
| Irene, Martín-Rubio | Torsten J., Selck |
| Isaac, Damoah | Tsu-Ming, Yeh |
| Issam, Ghazzawi | Tudor, Ciumara |
| Iulia C., Muresan | V.E., Scholten |
| Izabela Luiza, Pop | Valerio, Capraro |
| Izabela, Michalska-Dudek | Vernon, Bachor |
| J. Freitas, Santos | Veronica, Junjan |
| Jack W., Meek | Vibhuti N., Patel |
| Jamie, Weathers | Vítor João Pereira Domingues, Martinho |
| Jammie, Lo | Vladimir, Pacuta |
| Jan, Stejskal | Vuokko, Kohtamäki |
| Javier, Sánchez-García | Wach, Krzysztof |
| Jeong Hwan, Lee | Wen-Hsien, Tsai |
| João, Leitão | Wieslaw, Urban |
| John, Butler | Yao-Hsu, Tsai |
| Joonmo, Ahn | Young Dae, Ko |
| Joosup, Kim | Yuki, Inoue |
| José Ramón, Saura | Yuriy, Bilan |
| József, Popp | Zavalloni, Matteo |
| Juan Carlos, Rodríguez-Cohard |
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