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 173 papers were published in the journal, with a median time to first decision of 14.00 days and a median time from submission to publication of 37.00 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019:
| Abdala, Ahmed | Liu Tianyu |
| Abejón, Ricardo | Lo, Huang-Mu |
| Acquah, Steve | Longo, Maria A. |
| Ajao, Olumoye | Loulergue, Patrick |
| Albo, Jonathan | Low, Nicholas |
| Altaee, Ali | Lucena, Rafael |
| An, Quanfu | Lyu, Hailong |
| Ansaloni, Luca | Maas, Michael |
| Arkas, Michael | Madden, David |
| Arunkumar, Abhiram | Magnacca, Giuliana |
| Ayyavoo, Jayalakshmi | Magnico, Pierre |
| Balasingam, Suresh Kannan | Maior, Ioana |
| Bazhenov, Stepan D. | Maletskyi, Zakhar |
| Bazzarelli, Fabio | Mansouri, Abraham |
| Bell, Carl-Martin | Mareev, Semyon |
| Bengtson, Gisela | Martí-Calatayud, Manuel César |
| Bermeshev, Maxim | Martin, Stephen M. |
| Bi, Lei | Masoudi Soltani, Salman |
| Bogdanowicz, Krzysztof Artur | Mather, Glenn |
| Boo, Chanhee | Mazzei, Rosalinda |
| Bouwman, Wim | Medrano Jimenez, Jose A. |
| Breite, Daniel | Melnikov, Stanislav |
| Brinkmann, Torsten | Menendez, Miguel |
| Brunklaus, Gunther | Meng, Lie |
| Brutti, Sergio | Merino-Garcia, Ivan |
| Bulejko, Pavel | Milčius, Darius |
| Camões, Maria Filomena | Miller, Daniel N. |
| Cannilla, Catia | Minamiki, Tsukuru |
| Cao, Bing | Minelli, Matteo |
| Cao, Bo | Monteiro, Bernardo |
| Carreon, Moises | Mozia, Sylwia |
| Casado-Coterillo, Clara | Murmura, Maria Anna |
| Casares, Juan | Murtomäki, Lasse |
| Cassano, Alfredo | Nagy, Endre |
| Castro-Muñoz, Roberto | Nakielski, Pawel |
| Chalker, Justin | Nardi, Monica |
| Chang, Hsuan | Niakolas, Dimitrios K. |
| Checchetto, Riccardo | Nicoletta, Fiore Pasquale |
| Chen, Jinhua | Nikbakht Fini, Mahdi |
| Cheng, Gang | Nikolelis, Dimitrios P. |
| Cheng, Lisheng | Nikonenko, Victor |
| Chetwynd, Andrew | Noor, Nuruzzaman |
| Cho, Kangwoo | Nowaczyk, Jacek |
| Chun, Youngpil | Ntougias, Spyridon |
| Chung, Neal Tai-Shung | Okamoto, Yoshiyuki |
| Chung, Sheng-Heng | Osman, Ahmed |
| Coronas Ceresuela, Joaquín | Pacheco Tanaka, David Alfredo |
| Cortina, Jose Luis | Pacheco, Federico |
| Costa, Carlos Miguel | Padmanabhan, Venkat |
| Cowan, Matthew Greig | Palma, Luca |
| Cran, Marlene J. | Palmer, Christopher |
| Cui, Zhaoliang | Panglisch, Stefan |
| D’Haese, Arnout | Paolone, Annalisa |
| Da’na, Enshirah | Papadakis, Raffaello |
| Dai, Zhongde | Papangelakis, Vladimiros |
| Dammak, Lasaad | Park, Chul-ho |
| De Schepper, Wim | Park, Jin-Soo |
| Deimede, Valadoula | Patinvoh, Regina |
| Deng, Huining | Patsios, Sotiris |
| Deng, Liyuan | Peng, Xinsheng |
| Desfougères, Yann | Pereira, Cláudia C. L. |
| Dhamdhere, Ajit | Petrella, Andrea |
| Di Profio, Gianluca | Pulyalina, Alexandra |
| Ding, Yifu | Rajca, Mariola |
| Dobrzynski, Piotr | Raju, Kati |
| Dong, Yingchao | Rehder, Dieter |
| Dutournié, Patrick | Rincón, Marina E. |
| Dutta, Ravi Chandra | Rodríguez-Roda, Ignasi |
| Eliseeva, Tatiana | Rogozhnikov, Denis A. |
| Escorihuela, Jorge | Ronen, Avner |
| Eskelin, Katri | Roubík, Hynek |
| Esrafilzadeh, Dorna | Rowlett, Jarrett |
| Estay, Humberto | Roy, Sagar |
| Feng, Hongbo | Ruiz De Larramendi, Idoia |
| Fernandes, Mariana Sofia Peixoto | Ruiz-García, Alejandro |
| Fievet, Patrick | Rupprich, Marco |
| Fontananova, Enrica | Saakes, Michel |
| Fontàs, Claudia | Saeki, Daisuke |
| Franzese, Giancarlo | Sakaguchi, Toshikazu |
| Fuoco, Alessio | Salamanca, Constain H. |
| Gaglione, Rosa | Samhaber, W. M. |
| Gallucci, Fausto | Santoro, Sergio |
| Gao, Peiyuan | Sanyal, Oishi |
| Garcia Ivars, Jorge | Sarafraz, Mohammad Mohsen |
| García-Moncada, Nuria | Savaniu, Cristian |
| Geng, Linxiao | Sawamura, Ken-ichi |
| Georgopanos, Prokopios | Scalese, Silvia |
| Ghatak, Kamalika | Schweiss, Ruediger |
| Ghoshal, Shraboni | Selyanchyn, Roman |
| Gierszewska, Magdalena | Semsarilar, Mona |
| Glüsen, Andreas | Sentana, Irene |
| Goh, Kunli | Shamsaei, Ezzatollah |
| Gomez-Coma, Lucia | Shao, Lu |
| Groves, Matthew | Sharma, Surbhi |
| Gryta, Marek | Shen, Jiangnan |
| Gueorguiev, Gueorgui | Shevate, Rahul |
| Gupta, Mohit | Shishatskiy, Sergey |
| Gupta, Sanju | Shon, Hokyong |
| Hajizadeh, Solmaz | Siebenhofer, Matthäus |
| Harmand, Jérôme | Silva, Ricardo |
| Harvianto, Gregorius | Sinha Ray, Saikat |
| Haugen, Astri Bjørnetun | Sioutopoulos, Dimitrios |
| He, Guangwei | Skorik, Yury A. |
| He, Shaojian | Slouka, Zdenek |
| He, Weilue | Song, Xiaoxiao |
| Heath, George | Sousa, Angela |
| Heimburg, Thomas | Stoller, Marco |
| Helmi, Arash | St-Pierre, Jean |
| Hernández, Antonio | Stuckey, David C. |
| Hidalgo, Asuncion Maria | Szekely, Gyorgy |
| Higa, Mitsuru | Tadyszak, Krzysztof |
| Hirota, Yuichiro | Tanaka, Shunsuke |
| Holze, Rudolf | Tańczyk, Marek |
| Homaeigohar, Shahin | Thibault, Jules |
| Hong, Liang | Tiraferri, Alberto |
| Hong, Tao | Tong, Xin |
| Hou, Jingwei | Trukhanov, Sergei Valentinovich |
| Huang, Xiaowu | Tsapatsis, Michael |
| Ibáñez Mendizábal, Raquel | Tung, Kuo-Lun |
| Ikeda, Taichi | Tuzimski, Tomasz |
| Iliev, Boyan | Tylkowski, Bartosz |
| Itta, Arun | Uetani, Kojiro |
| Iulianelli, Adolfo | Uzdenova, Aminat |
| Jacob, Paul | Valencia, Susana |
| Jacob, Paul | Van Goethem, Cédric |
| Jansen, Johannes | Van Sint Annaland, Martin |
| Jay-Gerin, Jean-Paul | Vanangamudi, Anbharasi |
| Jeerapan, Itthipon | Vandezande, Pieter |
| Jeong, Sanghyun | Venturi, Davide |
| Ji, Guozhao | Vincent-Vela, Maria-Cinta |
| Jiang, Chenxiao | Volkov, Alexey |
| Jiang, Yingbing | Volkov, Vladimir |
| Jin, Jianyong | Vorotyntsev, Ilya V. |
| Jones, Deborah | Vrouwenvelder, Johannes |
| Jun, Young-Si | Wachowski, Sebastian |
| Jung, Sokhee Philemon | Wang, David |
| Kallitsis, Joannis | Wang, Zhaoxu |
| Kang, Dun-Yen | Wang, Zhengbao |
| Kang, Sang Wook | Wang, Zhiwei |
| Karahan, H. Enis | Wieczorek, Piotr |
| Karanikola, Vasiliki | Wilson, Aaron D |
| Karp, Eric M. | Woldemariam, Daniel |
| Ke, Xie | Wood, Jeffery A. |
| Kerman, Kagan | Wu, Bing |
| Kern, Wolfgang | Wu, Gwo-Mei |
| Kertèsz, Szabolcs | Wu, Zhentao |
| Khorshidi, Behnam | Wycisk, Ryszard |
| Kim, Ae Rhan | Xu, Zhiwei |
| Kim, Dukjoon | Xue, Jinkai |
| Kim, Hanki | Xue, Xingjian |
| Kim, Han-Seung | Yang, Hsiharng |
| Kim, Hyunsung | Yang, Shaowei |
| Kim, Seok-Jhin | Yoo, Changkyoo |
| Kim, Sung-Koo | Yoo, Chung-Yul |
| Kim, Tae-hwan | Yoo, Dong Jin |
| Kochetova, Nadezhda Alexandrovna | Yoshihiko, Sano |
| Kononova, Svetlana V. | Yu, Haoran |
| Koter, Stanislaw | Yu, Jaecheul |
| Kritikos, Georgios | Yu, Liang |
| Kruczek, Boguslaw | Zarca, Gabriel |
| Kujawa, Joanna | Zdenek, Slouka |
| Kujawski, Wojciech | Zhang, Han |
| Kulesha, Olga | Zhang, Luhong |
| Kvasha, Andriy | Zhang, Xiang |
| Lade, Harshad S. | Zhang, Xiaoyuan |
| Laoui, Tahar | Zhang, Xin |
| Laskowski, Łukasz | Zhang, Xuyang |
| Lasseuguette, Elsa | Zhang, Zhien |
| Lau, Woei Jye | Zhang, Zhongqiang |
| Lee, Chia-Hung | Zhao, Lianfeng |
| Lee, Dai-Soo | Zhao, Weifeng |
| Lee, Jong Suk | Zheng, Qingbin |
| Lee, Kew-Ho | Zhou, Ming |
| Lee, Pyung Soo | Zhou, Xingping |
| Li, He | Zhou, Zhiping |
| Li, Jianxin | Zhu, Guanghui |
| Li, Junsheng | Zhu, Lingxiang |
| Liang, Shuang | Zhu, Meihua |
| Lillepärg, Jelena | Zhu, Shan |
| Lipnizki, Frank | Zouboulis, Anastasios |
| Lipscomb, Glenn | Zuo, Jian |
| Liu, Liang |
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