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 120 papers were published in the journal, with a median time to first decision of 5.7 days and a median time from submission to publication of 39.7 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019:
| Abad-segura, Emilio | Maritz, Alex |
| Abbas, Azhar | MarquesLuís Miguel |
| Abduljaber, Malek | Martel, Andrew |
| Acikgoz, Ali Faruk | Martín, José María |
| Adamska, Małgorzata | Martinho, Vítor João Pereira Domingues |
| Agnieszka, Głodowska | Máté, Domicián |
| Ahlgren, Niklas | Matikainen, Pasi |
| Ahmad, Mahyudin | Matthews, Kent |
| Ahn, Kwangwon | Matuzeviciute, Kristina |
| Akhter, Rifat | Maza, Adolfo |
| Albano, Giuseppina | McAleer, michael |
| Alonso-Muñoz, Laura | Mensah, Emmanuel Kwasi |
| Alonso-Villar, Olga | Mgeni, Charles |
| Amavilah, Voxi Heinrich | Michail, Nektarios |
| Ammi, Chantal | Michalski, Grzegorz |
| Ananda, Jayanath | Miller, Stephen Matteo |
| Andreano, Maria Simona | Minetti, Raoul |
| Angelini, Giovanni | Miron, Dumitru |
| Angeon, Valérie | Mishra, Tapas |
| Anwar, Sajid | Mixon, Franklin G. |
| Arbolino, Roberta | Mlambo, Yeukai A. |
| Aristovnik, Aleksander | Momete, Daniela |
| Artavanis, Nikolaos | Monzón, Andrés |
| Arteche, Josu | Mora-Garcia, Raul-Tomas |
| Arumugam, Surendran | Morales, Lucia |
| Asfaw, Abay | Morgan, Peter J. |
| Ashraf, Badar Nadeem | Morrissey, Oliver |
| Atukeren, Erdal | Morrone, Domenico |
| Azevedo, Graça | Motylska-Kuzma, Anna |
| Bahmani, Sahar | Mouratidis, Kostas |
| Bakalár, Tomáš | Mühlen, Henning |
| Battisti, Enrico | Murthy, Vasudeva N.R. |
| Baul, Tushi | Mustafa, Ghulam |
| Baur, Dirk G. | Nagy, Henrietta |
| Bear, Adam | Näsi, Salme |
| Bedoya-Perales, Noelia S. | Nasir, Muhammad Ali |
| Beleiu, Ioana | Naveed, Amjad |
| Belke, Ansgar | Nazarko, Lukasz |
| Benčina, Jože | Nchor, Dennis |
| Benhmad, François | Němec, Daniel |
| Benner, Maximilian | Ng’ombe, John N. |
| Berg, Tim Oliver | Ng'ombe, John Nedson |
| Berner, Erhard | Nie, Peng |
| Bertarelli, Silvia | Nocoń, Aleksandra |
| Bhattacharya, Joydeep | Noja, Graţiela Georgiana |
| Bilan, Yuriy | O’Hara, Jeffrey K. |
| Biondo, Alessio Emanuele | Obeng-Odoom, Franklin |
| Bjornlund, Henning | Ochoa-Moreno, Wilman-Santiago |
| Bohdalová, Mária | Olkiewicz, Marcin |
| Bojanic, Antonio N. | Order, Robert Van |
| Bolli, Thomas | Osambela, Emilio |
| Bolotov, Ilya | Oviatt, Kate |
| Bongers, Anelí | Owen, Dorian |
| Booth, Anne | Palaskas, Theodosios |
| Bostan, Ionel | Palomino, Juan C. |
| Boudt, Kris | Panagiotidis, Theodore |
| Brito, Duarte | Panasiuk, Aleksander |
| Bromfield, Joseph | Papadamou, Stephanos |
| Brown, Jenny | Papla, Daniel |
| Buszko, Michal | Paradies, Yin |
| Butkus, Mindaugas | Park, Jaehwan |
| Cai, Jun | Parmeter, Christopher |
| Calabrò, Francesco | Pascalau, Razvan |
| Calin, Adrian Cantemir | Patuelli, Roberto |
| Canale, Laurent | Păunescu, Carmen |
| Cansado-Bravo, Pablo | Pauw, Pieter |
| Caporin, Massimiliano | Pavic, Ivana |
| Capraro, Valerio | Peach, James |
| Caracciolo, Fracesco | Pegkas, Panagiotis |
| Carpena, Fenella | Pera, Bożena |
| Castañeda, Juan | Perechuda, Igor |
| Castiglioni, Cinzia | Perego, Erica |
| Centobelli, Piera | Pérez-Hernández, Francisco |
| Chadjipandelis, Theodoros | Perić, Blanka Škrabić |
| Chambers IV, Edgar | Peric, Marko |
| Chan, Stephen | Perucca, Giovanni |
| Chang, Tsangyao | Pierdzioch, Christian |
| Charfeddine, Lanouar | Pistikou, Victoria |
| Chatzitheodoridis, Fotios | Poczta, Joanna |
| Chen, Qihui | Podviezko, Askoldas |
| Cheng, Albert | Polanco-Martínez, Josué M. |
| Cheng, Teng Yuan | Polowczyk, Jan |
| Chepurenko, Alexander | Popescu, Gheorghe H. |
| Chiang, Shu-hen | Prokop, Viktor |
| Choi, Youngna | Propheter, Geoffrey |
| Ciarlone, Alessio | Przybyła, Katarzyna |
| Ciarreta, Aitor | Puchinger, Jakob |
| Ciumara, Tudor | Quinto, Ivana |
| Clarke, George R.G. | Radulescu, Magdalena |
| Collins, LaPorchia | Ramezani, Rasoul |
| Congregado, Emilio | Ramos, Raul |
| Crespo, Nuno | Ramsey, David |
| Cyphert, Dale | Rasoulinezhad, Ehsan |
| Czerewacz-Filipowicz, Katarzyna | Raszkowski, Andrzej |
| Damoah, Kaku Attah | Reid, David McHardy |
| Daovisan, Hanvedes | Reimers, Hans-Eggert |
| Dapice, David | Reis, Elizabeth |
| De Silva, Muthu | Ribba, Antonio |
| Delcea, Camelia | Río, Juan Antonio Jimber Del |
| Dermott, Esther | Rjoub, Husam |
| Diego, Isidro | Rockerbie, Duane |
| Dima, Alina Mihaela | Rodríguez, Francisco |
| Dkhili, Hichem | Rodríguez, Juan |
| Dobroszek, Justyna | Rodriguez-Modroño, Paula |
| Domizio, Marco Di | Rój, Justyna |
| Dong, Yan | Rollnik-Sadowska, Ewa |
| Dornberger, Utz | Roman, Angela |
| Drachal, Krzysztof | Romanelli, Mauro |
| Durmaz, Nazif | Romano, Simone |
| Eaves, Carrie | Roster, Kirstin |
| Economou, Athina | Roy, Francis |
| Ekanayake, E. M. | Saari, Ulla A. |
| Elduque, Daniel | Sahin, Afsin |
| Elike, Uchenna | Salvia, Rosanna |
| Elvekrok, Ingunn | Sánchez, Ángeles |
| Erokhin, Vasilii | Sánchez-Juárez, Isaac |
| Esposito, Piero | Sard, Maria |
| Evelyn Wamboye, Evelyn | Sarkar, Biswajit |
| Falk, Martin | Scandurra, Cristiano |
| Falkowski, Krzysztof | Scelles, Nicolas |
| Feeny, Simon | Schmerer, Hans-Jörg |
| Fernández-Revelles, Andrés B. | Schnaubelt, Matthias |
| Ferrari, Emanuele | Scicchitano, Sergio |
| Ferris, Stephen P. | Seifert, Stefan |
| Fîrţescu, Bogdan Narcis | Šelih, Jana |
| Fountas, Stilianos | Senatore, Luigi |
| Franc, Sanja | Seputiene, Janina |
| Frenkel, Michael R. | Serrano, Monica |
| Ftiti, Zied | Shabanpour, Ramin |
| Fuinhas, José Alberto | Sheehan, Mary C. |
| Funk, Lothar | Shih, Kevin |
| Gaetano, Davide De | Sim, Seung-Gyu |
| Garcia, Maria Teresa Medeiros | Simoes, Pedro |
| Garza-Rodriguez, Jorge | Sipiläinen, Timo |
| Gee, Gilbert | Siviero, Stefano |
| Gnangnon, Sena Kimm | Škrinjarić, Tihana |
| Gomes, Orlando | Smaga, Pawel |
| Gómez, Mario | Smirnova, Janna |
| González-Esteban, Ángel Luis | Smith, Jeremy |
| Goodman, Clifford | Snudden, Stephen |
| Grabara, Janusz | Soldatos, Gerasimos T. |
| Grauvogel, Julia | Sorić, Petar |
| Guidi, Caterina Francesca | Ssozi, John |
| Gulasekaran, Rajaguru | Stadtmann, Georg |
| Guo, Jang-Ting | Stafford, Frank |
| Gupta, Rangan | Stauvermann, Peter Josef |
| Gusc, Joanna | Stawiarska, Ewa |
| Guzman, Tatyana | Stawska, Joanna |
| Halicioglu, Ferda | Stern, Tobias |
| Hall, Joshua | Stöckl, Albert |
| Haller, Alina | Strauss, Jack |
| Han, Doo Bong | Sultonov, Mirzosaid |
| Hanappi, Hardy | Suppa, Domenico |
| Hariskos, Wasilios | Svabova, Lucia |
| Haughton, Jonathan | Szabo, Zsuzsanna |
| Hazak, Aaro | Szczepanska-Przekota, Anna |
| Hedvičáková, Martina | Szerb, László |
| Herbut, Piotr | Szromek, Adam |
| Herriott, Scott | Taguchi, Hiroyuki |
| Hewitt, Richard James | Tamarit, Cecilio-R. |
| Hidalgo, Carmen | Tang, Dr. Jian |
| Horvath, Balint | Tchatoka, Firmin Doko |
| Husgafvel, Roope | Tebaldi, Edinaldo |
| Ianole, Rodica | Telg, Sean |
| Ibrahim, Nadine | Temesi, Agoston |
| Idsø, Johannes | Tepperová, Jana |
| Immurana, Mustapha | Tescasiu, Bianca |
| Işik, Cem | Tkachenko, Denis |
| Jacobsen, Joyce | Tourin, Agnes |
| Jakovljevic, Mihajlo | Tozer, Peter |
| Janus, Thorsten | Trestini, Samuele |
| Jardon, Carlos | Tricase, Caterina |
| Jerbashian, Vahagn | Triplett, Russell E. |
| Ji, Hyun Mi | Trojanek, Radoslaw |
| Jianu, Iulia | Tselios, Vassilis |
| Jureviciene, Daiva | Tsounis, Nicholas |
| Kagermeier, Andreas | Tzeremes, Panayiotis |
| Kali, Raja | Tzouramani, Irene |
| Kalirajan, Kaliappa | Ul Haque, Adnan |
| Kampas, Athanasios | Uusküla, Lenno |
| Kapri, Kul | Vac, Sebastian Cǎlin |
| Karatas, Haci Mevlut | Vakulchuk, Roman |
| Karbowski, Adam | Varela-Candamio, Laura |
| Karkowska, Renata | Vasile, Andrei Jean |
| Katsoni, Vicky | Veszteg, Róbert Ferenc |
| Kauko, Karlo | Vick, Brandon |
| Khan, Imran | Visvizi, Anna |
| Kholodilin, Konstantin A. | Vouldis, Angelos T. |
| Kim, Jungmu | Wang, Alan.T |
| Klazar, Stanislav | Wang, Hao |
| Kliestik, Tomas | Watts, Greg |
| Kluge, Jan | Weber, Christoph S. |
| Knight, David W. | Weckroth, Mikko |
| Kontana, Dimitra | Wei, Xuan |
| Kopylov, Yuri | Włodarczyk, Bogdan |
| Kovarnik, Jaroslav | Wolfe, Marketa Halova |
| Kuźbik, Paweł | Wolszczak-Derlacz, Joanna |
| Lachmann, Bernd | Wong, Alan |
| Lecluyse, Laura | Wong, Wing-Keung |
| Lee, Chyi Lin | Wu, Yi |
| Lee, Jong-eun | Wubneh, Mulatu |
| Lee, Min-Kyu | Wuepper, David |
| Lefley, Frank | Wunnava, Phanindra |
| Lehtonen, Heikki | Yamaki, Kazushige |
| Leite, Duarte Nuno | Yang, Jangho |
| Lemi, Adugna | Yasuoka, Masaya |
| Lien, Donald | Yawson, Alfred |
| Lin, Xiang | Yilmazkuday, Hakan |
| Linke, Anne | Yoichi, Hizen |
| Liobikienė, Genovaitė | Yoon, SungMan |
| Lopes, João | Zagaglia, Paolo |
| Lucchetti, Riicardo (Jack) | Zaharia, Rodica Milena |
| Luitel, Hari S. | Zdeněk, Radek |
| Malhotra, D.K. | Zeng, Xianyi |
| Manamperi, Nimantha | Zhou, Yunlai |
| Marcu, Nicu | Zhu, Sheng |
| Maresova, Petra | Zoller-Rydzek, Benedikt |
| Marinova, Dora |
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