Rigorous peer-review is the corner-stone of high-quality academic publishing. 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 2020, a total of 40 papers were published in the journal, with a median time to first decision of 14 days and a median time from submission to publication of 39 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2020:
| Adeyinka, Adewuyi Ayodele | Mathrani, Anuradha |
| Ahmed, Mohiuddin | Melis, Wim J. C. |
| Alsharif, Mohammed H. | Meske, Christian |
| Arooj, Fatima | Michail, Tsagris |
| Becerra-Vicario, Rafael | Michailidis, Panagiotis D. |
| Belciu, Anda | Mkaouer, Mohamed Wiem |
| Bermejo Higuera, Juan Ramon | Moccozet, Laurent |
| Bernardino, Jorge | Mohammadi, Fazel |
| Biňasová, Vladimíra | Oo, Thant Zin |
| Boyvalenkov, Peter | Paiano, Roberto |
| Brotons, Jose M. | Palomino, Marco A. |
| Bulińska-Stangrecka, Helena | Pan, Jie |
| Cafaro, Francesco | Paulauskas, Vytautas |
| Calderoni, Luca | Paweł, Dymora |
| Camargo, Chico | Piasecki, Krzysztof |
| Cao, Deng | Pileggi, Salvatore F. |
| Castka, Pavel | Pop, Horia F. |
| Chen, Bo-Hao | Qasha, Rawaa |
| Chi, Po-Wen | Qin, Sanbo |
| Chirieleison, Cecilia | Relich, Marcin |
| Chung, Moo K. | Rende, Sante Francesco |
| Codina, Lluís | Reymond, David |
| Cotfas, Liviu-Adrian | Rolando, Diana |
| Dan, Horatiu | Salamanos, Nikos |
| De Brevern, Alexandre G. | Salazar, Addisson |
| De Koker, Louis | Salehi, Amin |
| Demertzis, Konstantinos | Santolini, Marc |
| Dias Soeiro Cordeiro, Maria Natalia | Sarasa-Cabezuelo, Antonio |
| Díaz, Cristina Moreno | Sarkar, Biswajit |
| Drucker, Johanna | Schippl, Jens |
| Dumitrescu, Bogdan Andrei | Seitz, Juergen |
| Evans, Michael | Seljan, Sanja |
| Feng, Yunlong | Sena, Vania |
| Ferdani, Daniele | Shekaramiz, Mohammad |
| Fesl, Jan | Shi, Yong |
| Fiala, Pavel | Sim, Hyogi |
| Figurska, Marta | Sorici, Alexandru |
| FU, Tak-chung | Sousa Vieira, María Estrella |
| Fu, Yucheng | Soviar, Jakub |
| Giannakas, Filippos | Sperlì, Giancarlo |
| Gligorijevic, Djordje | Sturari, Mirco |
| Gola, Arkadiusz | Tao, Jin |
| González-Briones, Alfonso | Tin, Pyke |
| Henshaw, Alexis | Tomášková, Hana |
| Hua, Jie | Tomaszuk, Dominik |
| Ijaz, Muhammad Fazal | Tsiropoulou, Eirini Eleni |
| Ivanova, Krasimira Borislavova | Urbaniak, Maciej |
| Izydorczyk, Jacek | Vicente, Sandoval |
| Jodar, Lucas | Viqueira, José Ramón Ríos |
| Jusas, Vacius | Visvizi, Anna |
| Kabassi, Katerina | Vitanza, Alessandra |
| Kadel, Rajan | Vulpe, Alexandu |
| Kaloyanova, Kalinka | Wan, Hong |
| Kamińska, Dorota | Wang, Boxiang |
| Karbowski, Adam | Wilkerson, John D. |
| Komianos, Vasileios | Winkler, Herwig |
| Król, Karol | Wolniak, Radosław |
| Krzanowski, Roman | Wuttke, Heinz- Dietrich |
| Lai, Peddy Pi-Ying | Wyszomirski, Michał |
| Lee, Meonghun | Xie, Haoran |
| Lu, Mingyang | Yang, Jangho |
| Luján-Mora, Sergio | Yeh, Tsu-Ming |
| Ma, Tai-Yu | Yelamarthi, Kumar |
| Madra-Sawicka, Magdalena | Zhang, Guiming |
| Magaña, Ernesto Colomo | Zhang, Jiaxin |
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