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 66 papers were published in the journal, with a median time to first decision of 19 days and a median time from submission to publication of 44.5 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019:
| Agarwal, Animesh | Masini, Barbara Mavi |
| Ahmad, Jawad | Melnikov, Stanislav |
| Ait Tmazirte, Nourdine | Melo, André |
| Amovilli, Claudio | Meyer, Andreas |
| Ashok, Ashwin | Michailidis, Panagiotis |
| Astolfi, Davide | Miletic, Goran I. |
| Barone, Pier Matteo | Mitrovic, Zoran |
| Bejar, Javier | Mjahed, Mostafa |
| Belayat, Hossain | Monterroso-Checa, Antonio |
| Ben-Artzi, Matania | Morozov, Oleksandr |
| Benim, Ali Cemal | Mota, Virgínia Fernandes |
| Bornmann, Lutz | Mundani, Ralf-Peter |
| Bouri, Elie | Naik, Ganesh R. |
| Buonocore, Francesco | Narayanan, Barath |
| Chen, Junping | Nasimuddin, N. |
| Chen, Kai-Sheng | Nawaz, Muhammad |
| Chen, Sherry | Nazeer, Muhammad |
| Choudhury, Nazim | Neilsen, Mitchell L. |
| Christofilakis, Vasilis | Nicholson, David |
| Chu, Shu-Chuan | Palinko, Istvan |
| Cocoletzi, Gregorio Hernández | Pałka, Piotr |
| Correia, Sérgio | Perez Jimenez, Rafael |
| Cruvinel, Paulo E. | Petersen, Mark |
| Curiac, Daniel-Ioan | Pietrusiak, Damian |
| Dao, Thi-Kien | Piltan, Farzin |
| Das, Ranjan | Pineiro, Angel |
| Dassios, Ioannis K. | Pourtousi, Mohammad |
| De La Torre Larranaga, Unai | Pramudita, Jonas A. |
| De Oliveira, Mario Anderson | Ptak-Chmielewska, Aneta |
| De Rosis, Alessandro | Rabadan Borges, José A |
| Dejam, Morteza | Ramirez, Luis |
| Deryabin, Maxim | Rasti, Pejman |
| Dixit, Chandra K. | Ravankar, Abhijeet |
| Djordjevic, Goran T. | Recio, José Manuel |
| Dobrovolny, Hana M. | Ren, Junjie |
| Drezewski, Rafał | Ruiperez-Valiente, José A. |
| Drikakis, Dimitris | Saakes, Michel |
| Dutta, Ravi Chandra | Sakon, Takuo |
| El-Amin, Mohamed F. | San Fabian, Emilio |
| Fabio, Rapallo | Sanchez, Goar |
| Feng, Chuang | Sawada, Hideaki |
| Fernandez-Gamiz, Unai | Scheidsteger, Thomas |
| Flores Johnson, Emmanuel Alejandro | Scheiner, Steve |
| Frank, Irmgard | Seo, Kyung-Min |
| Frank, Michael | Shakhno, Stepan |
| Funes-Ardoiz, Ignacio | Sharma, Vishal |
| Fung, W.k. | Shaytan, Alexey K. |
| Fuoco, Alessio | Shrestha, Raju |
| Furlani Bastos, Alvaro | Shunmugasamy, Vasanth C. |
| Gabriel, Paulo H. R. | Sidorov, Denis N. |
| Gaeta, Maria Gabriella | Sinanovic, Sinan |
| Gajic, Dragoljub | Soares Teles, Ariel |
| Garcke, Jochen | Sob, Mojmír |
| Giakountis, Antonis | Sokolova, Maria P. |
| Golub, Igor | Suciu, George |
| Gonzalez-Gaxiola, Oswaldo | Sun, Shangpeng |
| Guenza, Marina | Temuer, Chaolu |
| Guglielmino, Eugenio | Tlelo-Cuautle, Esteban |
| Guillen, Montserrat | Tomasz, Rymarczyk |
| Guo, Rongwen | Torabi, Mohsen |
| Gwak, Jeonghwan | Tore, Schweder |
| Hansen, Andreas | Torres-Freyermuth, Alec |
| Harmandaris, Vagelis A. | Tran, Fabien |
| Henen, Morkos A. | Tseng, Ming-Lang |
| Hussein, Moustafa | Turner, Martin J. |
| Jacyna, Marianna | Ullrich, Carsten |
| Jaliu, Codruta | Vakhania, Nodari |
| Jamwal, Rohitash | Valero-Lara, Pedro |
| Jangampalli Adi, Pradeepkiran | Veeravalli, Vijayabhaskar |
| Jawak, Shridhar | Vessio, Gennaro |
| Jung, Eun Sung | Vlahostergios, Zinon |
| Kagan, Leonid | Volkov, Konstantin |
| Kannan, Manigandan | Volos, Christos |
| Karon, Grzegorz | Volpert, Vitaly |
| Kataev, Evgeny | Walker, Patrick |
| Kavousanakis, Mihalis | Wang, Jin-Yuan |
| Khatib, Tamer | Wang, Yi |
| Kim, Jinseok | Wei, Zhouchao |
| Korzun, Dmitry | Wu, Chao-Chin |
| Lasseuguette, Elsa | Wu, Chensheng |
| Lawrence, Peter | Xia, Menghan |
| Le, Nam Tuan | Xiang, Wang |
| Li, Li | Xiao, Boqi |
| Li, Sheng | Xu, He |
| Li, Shiqi | Xu, Jing |
| Liu, Dr. Shubin | Yairi, Ikuko Eguchi |
| Liu, Qi | Yang, Chao |
| Liu, Weiwei | Yeh, Bih-Chyun |
| Lopez, Omar D. | Yi, Hwang |
| Lopez-Mancilla, Didier | Yin, Congcong |
| Lui, Antonny | Yu, Yang |
| Luzuriaga, Jorge E. | Zhang, Ruiqi |
| Lyulin, Alexey V. | Zhang, Xi |
| Machado, Tenreiro | Zhang, Yudong |
| Machrafi, Hatim | Zhang, Zhien |
| Mahjoub, Reza | Zhang, Zhongqiang |
| Manavalan, Balachandran | Zhao, Dongfang |
| Mantovani, Filippo | Zhou, Xuesong |
| Mariotto, Isabella | Zubair, Muhammad |
| Marovic, Ivan |
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