Rigorous peer-review is the corner-stone of high-quality academic publishing. The editorial team greatly appreciates the reviewers who contributed their knowledge and expertise to the journal’s editorial process over the past 12 months. In 2018, a total of 362 papers were published in the journal, with a median time to first decision of 20 days and a median time to publication of 38 days. The editors would like to express their sincere gratitude to the following reviewers for their cooperation and dedication in 2018:
| Abbas, Saïd | Li, Mingheng |
| Abel, Mati | Li, Shaoyuan |
| Abundo, Mario | Li, Xiangtao |
| Adamson, Matthew | Li, Xian-Jin |
| Adler, Frederick R. | Lienert, Matthias |
| Afshar Sedigh, Amir Hosein | Lim, Dongkyu |
| Agore, A.L. | Lima, Fernando |
| Aguilar, Jean-Philippe | Lindemeier, Thomas |
| Ahmad, Fayyaz | Lissner, Jonah |
| Ahuja, Om P. | Liu, Su |
| Aihara, Yoshihiro | Liu, Xin |
| Aistleitner, Christoph | Liu, Xinfeng |
| Akram, Muhammad | Llorens, Alfonso Suárez |
| Alanqar, Anas | Londos, Charalambos |
| Albano, Giuseppina | López-Herrero, María Jesús |
| Aldemir, Tunc | López-Núñez, Alejandro |
| Alexandridis, Kostas | Ludkowski, Sergey |
| Alexandrovich, Artamonov Viacheslav | Luis Palacios, José |
| Alexey, Kanel | Lundström, Niklas L.P. |
| Ali, Sajid | Lupiaňez, Francisco Gallego |
| Alonso Jordá, Pedro | Lyakhov, Pavel |
| Ambros, Jiří | Ma, Wenxiu |
| Anastassiou, George | Macci, Claudio |
| Andrei, Neculai | Magnot, Jean-Pierre |
| Aste, Andreas | Magrenan, Alberto |
| Atanackovic, Teodor | Maio, Francesco Di |
| Avkhadiev, F.G. | Makó, Judit |
| Baba, Norio | Malesza, Wiktor |
| Babiarz, Artur | Malinowski, Jacek |
| Badawi, Ayman | Marcon, Eric |
| Bagchi, Susmit | Marolt, Matija |
| Balezentis, Tomas | Martínez-Moreno, Juan |
| Bao, Jie | Matkowski, Janusz |
| Basso, Antonella | Melnikov, Alexander |
| Bates, Larry | Merca, Mircea |
| Bayad, Abdelmejid | Meringer, Markus |
| Bejan, Cornelia-Livia | Mernik, Marjan |
| Belardo, Francesco | Mestdag, Tom |
| Belau, Julia | Mező, István |
| Benítez López, Julio | Mhaskar, Prashant |
| Bereg, Sergey | Michalski, Radosław |
| Berend, Daniel | Mihai, Adela |
| Besnard, Fabien | Milousheva, Velichka |
| Bhinder, Majid | Minculete, Nicusor |
| Bianconcini, Silvia | Mitroi, F.C. |
| Björk, Tomas | Modanese, Giovanni |
| Bohner, Martin | Mohapatra, Ram |
| Bohr, Jakob | Moll, Victor H. |
| Borodin, Andrei | Momete, Daniela |
| Boyom, Michel | Monaco, Salvatore |
| Bracken, Paul | Mordeson, John N. |
| Breaz, Daniel | Mordukhovich, Boris |
| Bressan, Federica Bernardini | Morosanu, Costica |
| Brule, Emeline | Morosanu, Gheorghe |
| Brzeziński, Dariusz W. | Morvan, Jean-Marie |
| Bucur, Amelia | Moschandreou, Terry E. |
| Bulboacă, Teodor | Mrowiec, Jacek |
| Burden, Conrad J. | Mueller, Juliane |
| Bykov, Igor | Naldi, Maurizio |
| Cacciatori, Sergio Luigi | Narayan, Darren A. |
| Čada, Roman | Nganou, Jean B. |
| Capaldi, Mindy | Nguyen, Van Thanh |
| Caponio, Erasmo | Ñíguez, Trino-Manuel |
| Cardone, Angelamaria | Nikodem, Kazimierz |
| Carfì, David | Normand-Cyrot, Dorothée |
| Carlos Cortés, Juan | Ntouyas, Sotiris |
| Casas, Fernando | Nurkanović, Zehra |
| Catarino, Paula | Ogbe, Emmanuel |
| Cavaliere, Paola | Oguntala, George |
| Cavone, Graziana | Oliveri, Francesco |
| Cavoretto, Roberto | Orden, David |
| Ceria, Michela | Orlóci, László |
| Chaiken, Seth | Oros, Georgia Irina |
| Chakrabarti, Debraj | Otrocol, Diana |
| Chalishajar, Dimplekumar | Otto, Andreas |
| Chartier, Sylvain | Ottorino, Ori |
| Chen, Bang-Yen | Ozawa, Tohru |
| Chen, Xianghong | Pacana, Andrzej |
| Chen, Yung-Wei | Padoa-Schioppa, Emilio |
| Cheng, Po-Keng | Palitta, Davide |
| Chernyi, Sergei | Paneva Konovska, Jordanka |
| Chicharro, Francisco I. | Papaschinopoulos, Garyfalos |
| Chidyagwai, Prince | Pappas, Dimitrios |
| Chitturi, Bhadrachalam | Park, Hee Chul |
| Cho, Nak Eun | Park, Jin-Woo |
| Cho, Seonghoon | Parshad, Rana |
| Cho, Yeol Je | Pascali, Maria Antonietta |
| Choi, Stephen | Passacantando, Mauro |
| Chou, Ching-Shan | Pavlov, Valery |
| Chow, K.W. | Paya, Ivan |
| Christofides, Panagiotis | Pellicani, Roberta |
| Cichon, Jacek | Pepe, Valentina |
| Cleanthous, Galatia | Perepelkina, Anastasia |
| Colombo, Leonardo | Perez, Iker |
| Conejero, J. | Peters, James Francis |
| Constantoudis, Vasilios | Petersen, Peter |
| Corne, Matthew | Petronilho, Jose |
| Costarelli, Danilo | Petrovskii, Sergei |
| Cristescu, Gabriela | Petruşel, Gabriela |
| Croitoru, Anca | Petrushev, Pencho |
| Crutcher, Sihon H. | Pfister, Gerhard |
| Cuchta, Tom | Piscoran, Laurian-Ioan |
| Czakó, Gábor | Pitea, Ariana |
| Dai, Bo | Plewik, Szymon |
| Daly, Aisling J. | Plinta, Dariusz |
| Dana, Danciulescu | Ploskas, Nikolaos |
| Daoutidis, Prodromos | Podlevskyi, Bohdan |
| Dassios, Angelos | Podlewska, Sabina |
| De Andrade, Marcio | Poggioni, Valentina |
| De Lucas, Javier | Pop, Adina |
| De Micheli, Enrico | Popa, Călin-Adrian |
| De Montigny, Marc | Popivanov, Nedyu |
| Deangelis, Donald | Postolaache, Mihai |
| Decu, Simona | Prodanov, Dimiter |
| Delle Site, Paolo | Proinov, Petko |
| Denzumi, Shuhei | Prokhorov, Dmitri |
| Deshouillers, Jean Marc | Puertas, Maria Luz |
| Deutsch, Emeric | Pugliese, Andrea |
| Dey, Arindam | Rademacher, Hans-Bert |
| Di Nardo, Elvira | Radenovic, Stojan |
| Di Paola, Mario | Ramos, Higinio |
| Di, Zichao | Rasila, Antti |
| Diethelm, Kai | Rassias, Michael (Michail) Th. |
| Dimas, Stylianos | Reddy, S. Surender |
| Dobrițoiu, Maria | Ree, Sangwook |
| Dobrovolny, Hana M. | Reich, Simeon |
| Dobrushkin, Vladimir | Reimers, Hans-Eggert |
| Dodziuk, Józef | Reis, Jenna |
| Donzelli, Fabrizio | Reiter, Clifford A. |
| Drgas-Burchardt, Ewa | Reynolds, Andy |
| Droghei, Riccardo | Rezazadeh, Haminreza |
| Du, Ke-Lin | Rezg, Nidhal |
| Du, Wei-Shih | Ricardez Sandoval, Luis |
| Du, Yihong | Rim, Seog-Hoon |
| Dudek, Wieslaw A. | Rocha, Agostinho |
| Durastante, Fabio | Rodríguez-López, Jesús |
| Dutta, Kabir | Rogosin, Sergei |
| Duzhin, Fedor | Romaniuc, Simona Luiza Druta |
| Dvorak, Antonin | Romero, Carlos |
| Egri-Nagy, Attila | Rosopa, Patrick |
| Elahi, Behin | Rubio, F. Javier |
| Eldon, Bjarki | Rupnik Poklukar, Darja |
| Eldridge, Alice | Ruzicka, Jim |
| Elena, Lucchi | Ryan, Joe |
| Elliott, George | Sadun, Lorenzo A. |
| Elsadany, A | Saho, Kenshi |
| Ernst, Thomas | Sajavičius, Svajūnas |
| Erny, Guillaume L. | Sala, Matthieu |
| Escribano, Francisco J. | Salanta, Liana |
| Etayo Gordejuela, Jose Javier | Saleem, Naeem |
| Famoso, Carlo | Salvatore, Sessa |
| Feichtinger, Hans Georg | Sambucini, Anna Rita |
| Feingold, Alex | Sandberg, Thomas Olof |
| Feltrin, Guglielmo | Sándor, Kristyán |
| Feng, Zhaosheng | Sant, Paul |
| Fernández-Jambrina, Leonardo | Sawerwain, Marek |
| Ferreira, Milton | Schulte, Jurgen |
| Fidaleo, Francesco | Sedlar, Jelena |
| Flores, Jose | Sen, Manuel De La |
| Font, Francesc | Sengupta, Saptarshi |
| Forster, Dominik | Sepulcre, J.M. |
| Fox, Daniel J. F. | Séquin, Carlo H. |
| Frenkel, Péter E. | Servatius, Brigitte |
| Fring, Andreas | Shahrestani, Mehdi |
| Führ, Hartmut | Sharifov, Yagub |
| Fullér, Robert | Shchepakina, Elena |
| Furuichi, Shigeru | Shen, Zhongmin |
| Galewski, Marek | Shilin, Ilya |
| Gallagher, Torrey M. | Shpakivskyi, Vitalii |
| Gan, Samuel | Silva, Fernando S. |
| García Castaño, Fernando | Sim, Young Jae |
| García, José Miguel Zapata | Simas, Tiago |
| García-Ligero Ramírez, María Jesús | Simões, Alberto |
| Gassó, Maria T. | Simon, Sergi |
| Gaunt, Robert | Singh, Brajendra |
| Gavruta, Pasc | Skovoroda, Volodimir |
| Gawron, Piotr | Skowronek-Kaziów, Joanna |
| Gherghina, Ştefan Cristian | Škrekovski, Riste |
| Giorno, Virginia | Slade, Paul F. |
| Giusti, Andrea | Sodnik, Jaka |
| Gkountaroulis, Dimoklis | Sofo, Anthony |
| Glimm, Tilmann | Sole, Patrick |
| Goemans, Wendy | Sostak, Alexander |
| Gombarska, Daniela | Spigler, Renato |
| Goodrich, Christopher | Sterk, Alef |
| Greasley, Andrew | Storti, Giuseppe |
| Griffin, James | Stratton, Peter |
| Grimshaw, Roger | Styer, Daniel F. |
| Gubar, Elena | Sun-Yuan, Hsieh |
| Gubarev, Vsevolod | Susanto, Hadi |
| Guedes, I. | Suwartadi, Eka |
| Gustafsson, Björn | Svob, Andrea |
| Guterman, Alexander | Sygit, Katarzyan |
| Gutiérrez-Hita, Carlos | Szász, Róbert |
| Gutiérrez-Sánchez, Ramon | Szemberg, Tomasz |
| Haccou, Patsy | Sztrik, Janos |
| Hanson, Floyd B. | Tang, Hui-Chin |
| Hanyga, Andrzej | Tang, Tieqiao |
| Hashorva, Enkelejd | Tanneru, Hemanth Kumar |
| Hereman, Willy | Tanre, Etienne |
| Herisanu, Nicolae | Tao, Terence |
| Hibi, Takayuki | Tasche, Manfred |
| Hieber, Peter | Tempelaar, Dirk |
| Hillen, Thomas | Teng, Jinn-Tsair |
| Hoffmann, Stefan | Tersian, Stepan |
| Holzinger, Andreas | Thom, Andreas |
| Hrivnák, Jiří | Thomas, Derek Keith |
| Hsieh, Ping-Hung | Tojo, F. Adrián F. |
| Huang, Xianzheng | Tomescu, Ioan |
| Huertas, Edmundo J. | Torregrosa, Juan R. |
| Huyer, Waltraud | Tsai, Shun-Hung |
| Iakymchuk, Roman | Tsuda, Ichiro |
| IK Kim, Young | Turner, John R.G. |
| Ilić, Aleksandar | Ulloa, Hugo |
| Ivan, Gutman | Ungar, Abraham |
| Ivanko, Evgeny | Urteaga, Iñigo |
| Ivanov, Ivan Ganchev | Usevich, Konstantin |
| Jaccheri, Letizia | Uzhga-Rebrov, Oleg |
| Jacob, Seibu Mary | V. Dolgy, Dmitry |
| Jakóbczak, Dariusz Jacek | Vahdat, Vahab |
| Jang, Lee Chae | Valettas, Petros |
| Javankhoshdel, Sina | Van Horssen, Wim T. |
| Jeffrey, David J. | Vaughan, Neil |
| Jones, Lenny | Velhinho, J. |
| Jun, Young Bae | Venturino, Ezio |
| Kaimakamis, George | Vetro, Pasquale |
| Kalabusic, Senada | Vidal-Rosset, Joseph |
| Kalisch, Henrik | Vindas, Jasson |
| Kanas, Stanislawa | Virtanen, Viivi |
| Kaoutit, Laiachi El | Vizireanu, Dragos |
| Karapinar, Erdal | Voskoglou, Michael Gr. |
| Katzman, Brett | Voß, Stefan |
| Kauffman, Louis H. | Vrancken, Luc |
| Kearnes, Keith | Wagemakers, Alexandre |
| Kearney, Sean | Wan, Zhong |
| Kelton, W. David | Wang, Dengjun |
| Kim, Byung Hak | Wang, Shaohui |
| Kim, Dae San | Wang, Taige |
| Kim, Hyunsoo | Weber, Andreas |
| Kim, Kwanggi | Weber, Eric S. |
| Kim, Young Ho | Weiss, Ittay |
| Kim, Young Suh | Westfall, Peter |
| Kinyanjui, Timothy | Wheeler, Glen |
| Kinyon, Michael | White, Andrew |
| Kisil, Vladimir | Winkler, Max |
| Klanšek, Uroš | Wintraecken, Mathijs |
| Kleptsyna, Marina | Wirths, Karl-Joachim |
| Knodel, Markus M. | Wolf, Marek |
| Konotop, Vladimir V | Wu, Hsien-Chung |
| Konstantinides, Dimitrios | Wu, Hsien-Chung |
| Koronakos, Gregory | Wu, Yong |
| Koskenoja, Mika | Xiao, Dunhui |
| Kouneiher, Joseph | Xu, Peng |
| Kountzakis, Christos | Xu, Tianzhou |
| Kowalski, Arkadiusz M. | Yadav, Mamta |
| Kozma, László | Yáñez, Dionisio F. |
| Kreinovich, Vladik | Yang, Xiu |
| Krishnamoorthy, Mohan | Yao, Jen Chih |
| Kumar, Ankur | Yi, Feng |
| Kuniya, Toshikazu | Yoon, Dae Won |
| Kunszenti-Kovács, Dávid | Yuan, Arnold |
| Kwon, Ern Gun | Zeifman, Alexander |
| Kwon, Jongkyum | Zeng, Fanhai |
| Lazarev, Alexander | Zhan, Jianming |
| Lecko, Adam | Zhang, Bo |
| L'Ecuyer, Pierre | Zhang, Tonghua |
| Lee, Chang-Hun | Zhang, Yanpeng |
| Lee, Woojoo | Zhang, Yida |
| Lefevre, Claude | Zhang, Yitang |
| Lenells, Jonatan | Zheng, Yi |
| Lengyelfalusy, Tomas | Ziemba, Paweł |
| Lesniak, Zbigniew | Zlatanov, Boyan |
| Lewicki, Arkadiusz | Zurakowski, Ryan |
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