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 70 papers were published in the journal, with a median time to first decision of 10 days and a median time to publication of 21.5 days. The editors would like to express their sincere gratitude to the following reviewers for their cooperation and dedication in 2018:
| Abonia, Rodrigo | Jaffrès, Paul-Alain | Poznański, Jarosław |
| Achelle, Sylvain | Jagerovic, Nadine | Pucheault, Mathieu |
| Aldabbagh, Fawaz | Jasinski, Marcin | Quadrelli, Paolo |
| Amii, Hideki | Kananovich, Dzmitry G. | Queiroz, Maria-Joao |
| Andrea, Penoni | Kato, Keisuke | Rakitin, Oleg A. |
| Arderne, Charmaine | Kikuchi, Takashi | Recabarren Gajardo, Gonzalo |
| Arslan, Hakan | Kim, Sung-Gon | Reyes, Fernando |
| Aubert, Emmanuel | Kirillov, Alexander | Ritch, Jamie |
| Averin, Alexei D. | Kitano, Yoshikazu | Rodriguez, Jaime |
| Bálint, Erika | Kodama, Shintaro | Rutjes, Floris P.J.T. |
| Ballesteros-Garrido, R. | Koutentis, Panayiotis A. | Saba, Sumbal |
| Bassin, Paul | Koyioni, Maria | Sackus, Algirdas |
| Baudoux, Jérôme | Kruszynski, Rafal | Sansano, Jose M. |
| Baxendale, Ian R. | Kumar, Brajesh | Sato, Kazuyuki |
| Berna, Jose | Lee, Hon Man | Sato, Sota |
| Bernini, Roberta | Lehmann, Christian W. | Ścianowski, Jacek |
| Bijak, Michał | Lehnherr, Dan | Seo, Jae Hong |
| Bisz, Elwira | Lesyk, Roman B. | Shang, Zhuo |
| Boeré, René | Liu, Shiuh-Tzung | Silva, Vera L. M. |
| Boga, Carla | Mandal, Debashis | Simirgiotis, Mario |
| Boualy, Brahim | Mangalagiu, Ionel | Singer, Robert D. |
| Bunce, Richard A. | Marichev, Kostiantyn | Solè, Daniel |
| Carullo, Gabriele | Masuda, Jason D. | Song, Jinhua |
| Cerra, Bruno | Matilla-Hernández, Antonio | Soural, Miroslav |
| Chisholm, John D. | Matsumoto, Arimasa | Stanovnik, Branko |
| Cho, Chan Sik | Matsumoto, Shoji | Steed, Jonathan |
| Chu, Yen-Ho | Meng, Ge | Stefane, Bogdan |
| Costa, Susana P.G. | Mensah, Enoch A. | Stenstrøm, Yngve |
| De Araujo, Márcio Peres | Mieczkowski, Adam | Stephen, Michael Rajesh |
| De La Hoz, Antonio | Miller, Gavin J. | Stoikov, Ivan Ivanovich |
| Decken, Andreas | Minami, Yasunori | Szakonyi, Zsolt |
| D’errico, Stefano | Miyabe, Hideto | Szostak, Michal |
| Drabowicz, Józef | Morigi, Rita | Tanabe, Yoo |
| Durán-Peña, María Jesús | Mossine, Valeri V. | Taniguchi, Nobukazu |
| Ebrahim, Weaam | Navarrete-Vazquez, Gabriel | Tiecco, Matteo |
| Escalante, Jaime | Nemec, Ivan | Tiekink, Edward R. T. |
| Farmer, Thomas J. | Nguyen, Thanh Binh | Trivedi, Evan R. |
| Fattuoni, Claudia | Novak, Lajos | Unsworth, Will |
| Ferretti, Valeria | Odell, Luke R. | Vasile, Francesca |
| Friestad, Gregory | Oyama, Dai | Vicic, David A. |
| Gabriele, Bartolo | Patrick, Brian | Vila, Carlos |
| Galasiti Kankanamalage, Anushka | Pawlicki, Miłosz | Wang, Jeh-jeng |
| Galdamez, Antonio | Pazdera, Pavel | Widhalm, Michael |
| Giorgi, Giorgio | Peczuh, Mark | Wujec, Monika |
| Gouault, Nicolas | Peter, Francisc | Yamato, Takehiko |
| Grande, Fedora | Petrillo, Giovanni | Yaremenko, Ivan A. |
| Guinchard, Xavier | Petrova, Krasimira T. | Ylijoki, Kai E. O. |
| Heber, Dieter | Pitucha, Monika | Zaharia, Valentin |
| Hrdina, Radim | Pla-Quintana, Anna | Zitko, Jan |
| Hwang, Long-Chih | Plażuk, Damian | Žukauskaitė, Asta |
| Inokuchi, Tsutomu | Poudel, Tej Narayan |
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