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 50 papers were published in the journal, with a median time to first decision of 27 days and a median time from submission to publication of 64 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019:
| Admiraal, Wilfried | Merrill, Nick |
| Almeida, Fernando | Mikulecký, Peter |
| Angelini, Marco | Milani, Alfredo |
| Aranberri, Nora | Monger, Eloise |
| Arís, Nuria | Moore, Philip |
| Artemiou, Andreas | Moussallem, Diego |
| Asai, Tetsuya | Narang, Sahil |
| Azevedo Guedes, André Luis | Nasarre Aznar, Sergio |
| Babbar, Rohit | Necula, Sabina |
| Badard, Thierry | Nesti, Giorgia |
| Barak, Miri | Nielsen, Lene |
| Bartal, Alon | Oliver, Erna |
| Barzegar, Siamak | Oliver, Willem Hendrik |
| Basaiawmoit, Rajiv Vaid | Orasan, Constantin |
| Blain, Fred | O'Sullivan, Katriona |
| Blobel, Bernd | Ou, Ting-Chia |
| Böhm, Ruwen | Özdamlı, Fezile |
| Böttcher, Sebastian | Pal, Santanu |
| Brezočnik, Lucija | Pang, Wai-Man |
| Brkic Bakaric, Marija | Papastefanatos, George |
| Brown, Victoria | Parziale, Antonio |
| Buysschaert, Joost | Pecoraro, Fabrizio |
| Bywood, Lindsay | Perdana, Aji Putra |
| Cafaro, Francesco | Perikos, Isidoros |
| Cambria, Erik | Pintelas, Panagiotis |
| Campagna, Michele | Popovic, Maja |
| Chaudhry, Muhammad Umar | Preuveneers, Davy |
| Chen, Ching Hui | Pruks, Vitalii |
| Chen, Tongwen | Raghothama, Jayanth |
| Chen, Chaona | Real García, Jose Julio |
| Chen, Liwen | Rigouts Terryn, Ayla |
| Ciobanu, Dragos | Ringsberg, Henrik |
| Creedon, Sile A. | Robert, Isabelle |
| Crisol-Moya, Emilio | Roloff, Gary J. |
| Cugurullo, Federico | Rossano, Veronica |
| Dalin, Zhou | Rothkrantz, Leon |
| Damasevicius, Robertas | Sabatini-Marques, Jamile |
| Denecke, Kerstin | Sadeghkhani, Nasser |
| Díaz-Cacho Medina, Miguel Ramón | Samoilenko, Sergey |
| Doherty, Stephen | Sánchez, Alberto |
| Drucker, Johanna | Sandhu, Ajay |
| Du Mouza, Cedric | Sausdal, David |
| Dubey, Rameshwar | Schaeffer, Moritz |
| Ebert, Achim | Scharnhorst, Andrea |
| Edmond, Jennifer | Schulz, Hans-Jörg |
| Emrouznejad, Ali | Screpanti, Laura |
| Etienne, Jean-Michel | Senabre Hidalgo, Enric |
| Faiella, Filomena | Sesagiri Raamkumar, Aravind |
| Fernandez, Alberto | Siami-Namin, Akbar |
| Frediani, Alexandre Apsan | Silva, Rui |
| Furlani Bastos, Alvaro | Skarzauskiene, Aelita |
| Gallego-Durán, Francisco J. | Soto, Ignacio |
| Gamal, Donia | Stasis, Antonios |
| Garcia-Ruiz, Miguel A. | Stevenson-Ågren, Jean |
| Gonçalves, Vítor | Stieler-Hunt, Colleen |
| Gonzalez-Perez, Cesar | Sulavko, Alexey |
| Gulić, Marko | Sullivan, Amanda |
| Hashimoto, Takako | Sun, Ziheng |
| Hawley, Glenda | Sun, Xuan |
| Hertel, Guido | Tara, Kam |
| Hu, Guang | Taylor, Matthew |
| Huang, Biyun | Teresa, Rojo Lopez |
| Isaacs, John | Tomášková, Hana |
| Jarvis, Rebecca M. | Toreini, Ehsan |
| Kakderi, Christina | Torres Hostench, Olga |
| Khan, Raees | Tortorella, Maria |
| Kirkham, Sandra | Tso, Wing Bo |
| Knutas, Antti | Van Waes, Luuk |
| Koponen, Maarit | Vandeghinste, Vincent |
| Kucher, Kostiantyn | Velázquez, Ramiro |
| Kurasova, Olga | Velazquez-Iturbide, J. Angel |
| Kutzner, Tobias | Vieira, Lucas Nunes |
| Kwon, Soon-kak | Villagrá, Carlos |
| Langlais, Philippe | Violante, Maria Grazia |
| Läubli, Samuel | Viriri, Serestina |
| Leroux, Hugo | Vosinakis, Spyros |
| Li, Yi-Na | Wainwright, David |
| Liang, Hai Ning | Walker-Gleaves, Caroline |
| Linehan, Conor | Wang, Chen |
| Liu, Yu-Chuan | Wang, Chuan-yi |
| López de Lacalle, Luis Norberto | West, Jeffrey |
| Ludlow, David | Wu, Min Lun |
| Macedo, Joaquim | Xu, Hao |
| Mačiulienė, Monika | Yamazaki, Yoichi |
| Mahoney, Joseph M. | Yan, Ke |
| Malleson, Charles | Yang, Geng |
| Marasović, Tea | Youn, Ik-Hyun |
| Martin, Niels | Zamora-Polo, Francisco |
| Martín, Jesús Sánchez | Zezschwitz, Emanuel Von |
| Martín Mor, Adrià | Zhang, Kang |
| Martín-Rodilla, Patricia | Zhao, Sicheng |
| Masur, Philipp | Ziogou, Chrysovalantou |
| Mazurek, Przemysław |
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