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 71 papers were published in the journal, with a median time to first decision of 14 days and a median time to publication of 40 days. The editors would like to express their sincere gratitude to the following reviewers for their cooperation and dedication in 2018:
| Abbasi, Hooman | Lazzara, Giuseppe |
| Abdelkarim, Omar | Lebon, Frédéric |
| Abisset-Chavanne, Emmanuelle | Lee, Jin-Kyun |
| Ahn, Byungmin | Lee, Jaehong |
| Aitomäki, Yvonne | Lekakou, Constantina |
| Alderliesten, René | Li, Xianglin |
| Altan, M. Cengiz | Li, Yang |
| Amaechi, Chiemela Victor | Li, Jinghao |
| Ansari, Farhan | Lima, Carmine |
| Arbelaiz, Aitor | Linß, Sebastian |
| Artero Guerrero, Jose Alfonso | Lionetto, Francesca |
| Asadi, Amir | Liu, Yu-Jing |
| Assih, Jules Tchao | Liu, Pengfei |
| Auclair, Nicolas | Liu, Mingxian |
| Bacigalupo, Andrea | Loreto, Giovanni |
| Balandin, Alexander | Luciano, Raimondo |
| Balle, Frank | Luong, Dzung Dinh |
| Baranowska-Bosiacka, Irena | Luzi, Francesca |
| Barretta, Raffaele | Malik, Muhammad Imran |
| Barszczewska-Rybarek, Izabela | Martins Amaro, Ana |
| Bayraktar, Emin | Meenashisundaram, Ganesh Kumar |
| Benmokrane, Brahim | Meier, Urs |
| Bergmann, Jean Pierre | Meng, Maozhou |
| Bica, Ioan | Merodio, Jose |
| Binetruy, Christophe | Micelli, Francesco |
| Birely, Anna C | Miklaszewski, Andrzej |
| Blanco, Ignazio | Moghaddam, Hesam S. |
| Branda, Francesco | Mohagheghian, Iman |
| Brnić, Josip | Morselli, Davide |
| Brunner, Andreas | Muc, Aleksander |
| Buckner, Steven W. | Naser, M. Z. |
| Bui, Tinh Quoc | Naumenko, Konstantin |
| Burkel, Eberhard | Odent, Jérémy |
| Cabeza Simo, Marta Maria | Ojovan, Michael |
| Caminero, M.A. | Orbulov, Imre |
| Cao, Yuhe | Osswald, Tim |
| Caporali, Stefano | Palumbo, Davide |
| Caputo, Francesco | Pamies, Ramon |
| Castro, Jose | Park, Soo-Jin |
| Cavallaro, Giuseppe | Park, Chung Hae |
| Cesano, Federico | Pegoretti, Alessandro |
| Chandrashekhara, K. | Peng, Qing |
| Chen, Shuo | Pinto, Deesy Gomes |
| Chen, Chunhui | Puglia, Debora |
| Chiachio, Manuel | Rao, Agnė |
| Choi, Heung Soap | Ren, Zhen |
| Cicala, Gianluca | Ribeiro, Maria C.S. |
| Compton, Brett G. | Rizal, Conrad |
| Cooney, Ralph | Rodríguez Millán, Marcos |
| Czaderski, Christoph | Romanowicz, Paweł |
| Davoudinejad, Ali | Rousakis, Theodoros |
| De Moura, Marcelo Francisco De Sousa Ferreira | Russo, Salvatore |
| Di Girolamo, Rocco | Ryu, Jehwang |
| Di Sarno, Luigi | Ryu, Sung-Hun |
| DiLandro, Luca | Saeedifar, Milad |
| Dimitri, Rossana | Saimoto, Akihide |
| Dong, Chensong | Sain, Sunanda |
| Dumont, Pierre J.J. | Salviato, Marco |
| Faghih Shojaei, Mostafa | Sanz Garcia, Andres |
| Fatyeyeva, Kateryna | Sazou, Dimitra |
| Feng, Chuang | Schabowicz, Krzysztof |
| Fernandes, Emanuel M. | Scribante, Andrea |
| Fernandes, Fábio | Segal, Rebecca |
| Finkenstadt, Victoria | Shalaby, Mohamed |
| Forster, Aaron M. | Shestakov, Mikhail |
| Fukuda, Takeshi | Shimomura, Osamu |
| Gafurov, Marat | Shirvanimoghaddam, Kamyar |
| Gereke, Thomas | Shunmugasamy, Vasanth C. |
| Ghaffar, Seyed | Sidorkin, Alexander |
| Giorcelli, Mauro | Smarzewski, Piotr |
| Goh, Kheng-Lim | Song, Kenan |
| González, Israel | Speranzini, Emanuela |
| Gotsis, Alexandros D. | Spina, Roberto |
| Groh, Rainer | Srinivasan, Gowrishankar |
| Guessasma, Sofiane | Stan, Miruna Silvia |
| Gutierrez, Junkal | Steup, Martin |
| Ha, Youn Doh | Strankowski, Michał |
| Hagenbeek, Michiel | Strozzi, Matteo |
| Hanaor, Dorian | Summerscales, John |
| Harničárová, Marta | Szala, Mirosław |
| Heitzmann, Michael | Thakur, Vijay Kumar |
| Hong, Suck Won | Todoroki, Akira |
| Hooper, Paul A | Tomota, Yo |
| Hossain, Mokarram | Triantafillou, Thanasis |
| Huang, Chih-Feng | Trochu, François |
| Huang, Ying | Troiani, Enrico |
| Imperatore, Stefania | Ueno, Shintaro |
| Incarnato, Loredana | Umer, Rehan |
| Iwamura, Munetaka | Van Hemelrijck, Danny |
| Jacob, Aboudi | Vincent, Thomas |
| Jajam, Kailash | Wang, Yeqing |
| Jajam, Kailash C. | Wang, Yongxiang |
| Jezierski, Jan | Wang, Xiao-Ming |
| Jiang, Saihua | Wu, Xijia |
| Jiang, Ruisong | Xu, Hongyi |
| Johnston, Joel | Yandouzi, Mohammed |
| Jopek, Hubert | Yang, Yang |
| Jozwik, Pawel | Yang, Teng-Chun |
| Kamdem, Donatien Pascal | Yang, An-Chih |
| Kang, Hyo | Yeon, Jung Heum |
| Kannan, Manigandan | Ying, Hanze |
| Kärger, Luise | Yu, Jiayi |
| Khan, Arafat | Yu, Rena C. |
| Kihara, Shin-ichi | Zabihi, Omid |
| kim, Seong Su | Zeltmann, Steven Eric |
| Kim, Eunho | Zhang, Yijie |
| Kitane, Yasuo | Zhang, Hai |
| Kotsuchibashi, Yohei | Zhang, Meng |
| Koumoulos, Elias P. | Zhang, Laichang |
| Kvashnin, Dmitry G. | Zhao, Wei |
| Lamuta, Caterina | Zhou, Jin |
| Lanc, Domagoj |
© 2019 by the author. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).