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 25 papers were published in the journal, with a median time to first decision of 12.5 days and a median time to publication of 23 days. The editors would like to express their sincere gratitude to the following reviewers for their cooperation and dedication in 2018:
| Abuzaid, Ahmed | Kumar, Sunil |
| Agarwal, Atin | Lahooti, Hooshang |
| Almeida, Afonso | Leiphrakpam, Premila D. |
| Ansa, Benjamin | Liu, Yi |
| Assari, Shervin | Lu, Hongzhou |
| Atteritano, Marco | Makena, Monish |
| Attini, Rossella | Nguyen, Khue Vu |
| Bedogni, Francesco | Nowak, Michal S. |
| Bhave, Devayani | Obermüller, Nicholas |
| Bijak, Michał | Ooi, Eng H. |
| Brown, Geoffrey | Palumbo, Vincenzo Davide |
| Catalano, Peter | Piccoli, Giorgina |
| Ceranowicz, Piotr | Powrózek, Tomasz |
| Comi, Cristoforo | Quartu, Marina |
| Crawford, Lindsey | Rai, Prakash |
| Dalin, Martin G. | Rauch, Bernhard |
| Delomenie, Myriam | Rawla, Prashanth |
| Devesa, Jesús | Revelli, Luca |
| Dkhar, Hedwin Kitdorlang | Serio, Gabriella |
| Dusi, Veronica | Shim, Su-Hyun |
| Elgazzar, Reda | Shimo, Tsuyoshi |
| Fragkos, Konstantinos | Siegel, Robert M. |
| Franco, Renato | Strzelecki, Michal |
| Furukawa, Fukumi | Tacke, Frank |
| Garg, Lohit | Takaori-Kondo, Akifumi |
| González-González, Rogelio | Teng, Ru-Jeng |
| Guan, Jian | Trinh, Mai |
| Harati, Ali | Tsukamoto, Tetsuya |
| Harris, James C. | Vautier, Simon |
| Hattori, Toshio | Vignoli, Aglaia |
| Herold, Nikolas | Wang, Guozheng |
| Holman, Andrei C. | Ward, Christopher |
| Ioannou, Petros | Wu, Meng-Yu |
| Johnson, Daniel | Xiong, Zhaohui |
| Kamiyama, Shinya |
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