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 67 papers were published in the journal, with a median time to first decision of 42 days and a median time from submission to publication of 86 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019:
| Abidin, Sazali | Liang, Kathleen |
| Adenusi, Joachim | Liebenberg, Ivonne |
| Aguilar, Jean-Philippe | Lim, Dongkuk |
| Aharon, David Yechiam | Lin, Jyh-Horng |
| Ahn, Jae Joon | Lin, Qi |
| Alexeev, Vitali | Liu, Xinghe |
| Alvarez-Ramirez, Jose | López Subires, María Deseada |
| Andrikopoulos, Panagiotis | Markoulis, Stelios |
| Arratia, Argimiro | Martin, Terrance K. |
| Ayanou, Tilahun | McDonald, Michael |
| Aysun, Uluc | McDowell, William |
| Balachandra, Lakshmi | McGuire, Kieren |
| Bartulović, Marijana | McMillan, David |
| Basak, Rishi | Milena, Jakšić |
| Battochio, Randy C. | Molina-Sánchez, Horacio |
| Bełej, Mirosław | Molnar, Peter |
| Berentsen, Geir Drage | Morgan, Peter J. |
| Beretta, Edoardo | Mork, Knut Anton |
| Berger, Wolfram | Morley, Bruce |
| Berisha, Edmond | Munger, Michael C. |
| Berner, Erhard | Muslu, Volkan |
| Bitoiu (Dinu), Teodora | Nahhas, Abdulkader |
| Bo, Hong | Naldi, Maurizio |
| Bolotov, Ilya | Nasir, Muhammad Ali |
| Bonini, Stefano | Naylor, Michael |
| Brander, James | Nazarczuk, Jarosław |
| Braun, Alexander | Necula, Ciprian |
| Britzelmaier, Bernd | Newaz, Mohammad |
| Burlina, Chiara | Nguyen, Pascal |
| Calcagno, Riccardo | Nguyen, T.Thanh-Binh |
| Caporale, Guglielmo Maria | Nicolini, Gianni |
| Chakraborty, Indraneel | Nikšić Radić, Maja |
| Chang, Tzu-Pu | Nistor, Simona |
| Chen, Jieting | Nor, Safwan Mohd |
| Chen, Yi-Chang | Nurunnabi, Mohammad |
| Christofi, Andreas C | O’Connor, Thomas |
| Comeig, Irene | Olszak, Małgorzata |
| Csikosova, Adriana | Osambela, Emilio |
| Ćurak, Marijana | Ozili, Peterson K. |
| Curtis, Chadwick C. | Panagiotidis, Theodoros |
| Daryakin, Adel | Paola Agnese, Bongini |
| Daszyńska-Żygadło, Karolina | Papadamou, Stephanos |
| De Luca, Giovanni | Park, Jaehwan |
| Dionísio, Andreia | Perechuda, Igor |
| Dmitriev, Alexandre | Pérez-Hernández, Francisco |
| Dragota, Victor | Plumley, Daniel |
| Du, Qiang | Putri, Endah R.M. |
| Dunne, Peter | Qureshi, Muhammad Azeem |
| Durana, Pavol | Reschenhofer, Erhard |
| Durmaz, Nazif | Ridpath, B. David |
| Eckard, E. Woodrow | Rockerbie, Duane |
| Ellis, Colin | Rodríguez Guerrero, Placido |
| Elvira, Nica | Sabasi, Darlington |
| Even-Tov, Omri | Safa, M Faisal |
| Farné, Stefano | Salaga, Steven |
| Farris, Ted | Scelles, Nicolas |
| Farzanegan, Mohammad Reza | Schiereck, Dirk |
| Feng, Ben | Schlachter, Kai-Heinrich |
| Ferreira, Paulo | Sejati, YuYun |
| Ferreira, Paulo | SHAIKH, IMLAK |
| Ferry, Marin | Shen, Dehua |
| Figini, Silvia | Shenai, Vijay |
| FLOREA, NICOLETA VALENTINA | Shih, Kuang-hsun |
| Foryś, Iwona | Shust, Efrat |
| Franc, Sanja | Sierra-García, Laura |
| Fuentes, Cristina De | Skogsvik, Kenth |
| Fuller, David L. | Skrbic, Milan Deskar |
| Gangopadhyay, Partha | Škrinjarić, Tihana |
| Garcia, Maria Teresa Medeiros | Skvarciany, Viktorija |
| Gardijan Kedžo, Margareta | Soloviev, Vladimir Nikolayevich |
| Gatto, Andrea | Steel, William F. |
| Gerrard, Russell | Stehel, Vojtech |
| Ghafran, Chaudhry | Stephan, Johannes |
| Gillmann, Niels | Streck, Charlotte |
| Giudici, Paolo | Streimikiene, Dalia |
| Gogas, Periklis | Stübinger, Johannes |
| Gouveia, Maria Do Castelo | Sultonov, Mirzosaid |
| Gregoire, Vincent | Tabak, Benjamin M. |
| Grivokostopoulou, Foteini | Tamvakis, Michael |
| Grubaugh, Stephen G. | Tang, Hongfei |
| Gruszczyński, Marek | Thum, Marcel |
| Gu, Junjian | Tian, Ruilin |
| Haas, Armin | Tiron Tudor, Adriana |
| Haiss, Peter R. | Trueck, Stefan |
| Hamdi, Helmi | Tsagkanos, Athanasios |
| Hamori, Shigeyuki | Tsinaslanidis, Prodromos |
| Harasheh, Murad | Ukpere, Wilfred |
| Harper, Alan | Vac, Sebastian Cǎlin |
| Hashmi, Shabir Mohsin | Van Der Heijden, Thijs |
| Hategan, Camelia Daniela | Varela-Candamio, Laura |
| He, Guanming | Vidojevic, Milan |
| Herr, Hansjörg | Vieito, João |
| Hirano, Masanori | Virk, Nader |
| Ivascu, Larisa | Vrbka, Jaromír |
| Janovec, Michal | Walshe, Don |
| Jia, Z. Tingting | Wang, Gang |
| Julien, Chaisse | Wang, Haoran |
| Jurdi, Doureige | Wang, Jun |
| Kazemi, Hossein B. | Wang, Xiaoli |
| Kim, Jungmu | Watkins, Clinton |
| Kirschenmann, Karolin | Weber, Christoph S. |
| Kitchin, Paul | Weber, Olaf |
| Koralun-Bereźnicka, Julia | Wen, Yuanji |
| Kornprobst, Antoine | West, Jason |
| Kośny, Marek | Westlund, Hans |
| Kostov, Philip | Wieczorek-Kosmala, Monika |
| Kovács, Sándor | Wohar, Mark E. |
| Kristjanpoller, Werner | Wood, Pushpa |
| Kwak, Sungkyu | Xiao, Xiao |
| Lagasio, Valentina | Yamada, Kazuo |
| Lahmiri, Salim | Zaremba, Adam |
| Lamdin, Douglas J. | Zhang, Yuanyuan |
| Latoszek, Ewa | Zhang, Yuejun |
| Laurila, Hannu | Zhao, Bingyu |
| Lazaroiu, George | Zhu, Sheng |
| Leccadito, Arturo | Zimmermann, Salome |
| Lewis, Robin | Zurbruegg, Ralf |
| Liang, Hsin-Yu |
© 2020 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/).