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 78 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 43 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019:
| Abdul Kudus, Sakhiah | Mangalathu, Sujith |
| Ahmadi, Farzad | Maraveas, Chrysanthos |
| Aikawa, Akira | Marence, Miroslav |
| Al Khalifa, Fay | Martinelli, Enzo |
| Alfonso Piña, William H. | Mata, Luis Alexander |
| Alonso Tristán, Cristina | Mavromatis, Stergios |
| Al-Zwainy, Faiq | Mazumder, Mithil |
| Amini, Kamran | McDaniel, Patrick |
| Anajafi, Hamidreza | Micaelo, Rui |
| Arabi, Saeed | Mikhailenko, Peter |
| Arabzadeh, Ali | Misa, Rafał |
| Arafa, Ahmed | Mityushev, Valdimir |
| Atadero, Rebecca | Moini, Mohamadreza |
| Aurangzeb, Qazi | Mojtahedi, Mohammad |
| Azimi, Mohsen | Molaei, Maedeh |
| Balsa, José | Moradi, Saeed |
| Banica, Alexandru | Moretti, Laura |
| Bazzaz, Mohammad | Moulos, Vrettos |
| Beben, Damian | Nahvi, Ali |
| Bedon, Chiara | Nam, Seong-Nam |
| Behnood, Ali | Narula, Lakshay |
| Beitelmal, Wesam H. | Ngamkhanong, Chayut |
| Binici, Baris | Niu, Xirong |
| Bobylev, Nikolai | Nuss, Larry |
| Bocci, Edoardo | Oats, Renee |
| Boone, Shane | Obonyo, Esther |
| Botti, Lucia | Ogierman, Witold |
| Bousdar Ahmed, Dina | Oh, Taekeun |
| Cabaleiro, Manuel | Ooi, Chinchun |
| Campisi, Tiziana | Ostrowski, Krzysztof |
| Cantisani, Giuseppe | Ouyang, Jian |
| Casas, Irene | Pach, Grzegorz |
| Castillo Devoto, Gabriel | Pakrashi, Vikram |
| Chen, Ke | Pastucha, Elzbieta |
| Chorzepa, Mi G. | Patidar, Sandhya |
| Congedo, Paolo Maria | Paultre, Patrick |
| Corigliano, Pasqualino | Polinpapilinho, Katina |
| Corradi, Marco | Pomoni, Maria |
| Corrado, Rindone | Porras, Rocio |
| Couto, António | Pourkamali, Farhad |
| Cunningham, Keith | Pratelli, Chiara |
| Czemplik, Andrzej | Praticò, Filippo Gianmaria |
| D’Amato, Michele | Prieto, Andrés J |
| D’Andrea, Antonio | Rabiee, Ramin |
| Daszczuk, Wiktor B. | Radu, Petru Valentin |
| de Brito, Jorge | Radulescu, Virgil Mihai |
| Delcea, Camelia | Rahami, Hossein |
| Dell’Isola, Marco | Ramezani, Majid |
| Deluka-Tibjaš, Aleksandra | Rassõlkin, Anton |
| Dhulipala, Somayajulu | Rau, Jiannyeou |
| Dorafshan, Sattar | Rizzo, Fabio |
| Doulos, Lambros T. | Rocha Segundo, Iran |
| Drygała, Izabela Joanna | Rodrigues, Eugénio |
| Dvorský, Tomáš | Rodriguez-Hernandez, Jorge |
| Easa, Said M. | Roohi, Milad |
| Edler, Dennis | Rufino, João |
| Eiksund, Gudmund Reidar | Runran, Liu |
| Farrokh Ghatte, Hamid | Rys, Dawid |
| Faruqi, M.A. | S. Esmaeeli, Hadi |
| Fiorentino, Gabriele | Sabih, Gauhar |
| Florentin, Eric | Sallam, Hossam El-Din |
| Funari, Marco Francesco | Sanavia, Lorenzo |
| Gago-Calderon, Alfonso | Sanjuán, Miguel Ángel |
| Gallelli, Vincenzo | Santos, Bertha |
| Gao, Xiaojian | Santos, Luís Picado |
| Garcia Cucalon, Lorena | Sasmito, Agus Pulung |
| García-Ros, Gonzalo | Schneider, Jennifer L. |
| Gawronek, Pelagia | Semendary, Ali A. |
| Gillen, David | Sewalkar, Parag |
| Glas, Andreas Herbert | Sharp, John |
| Glinicki, Michał A. | Shehu, Rafael |
| Gomez-Donoso, Francisco | Shi, Xijun |
| Gonela, Vinay | Sierra, Leonardo |
| Goniewicz, Krzysztof | Sinha, Nityanand |
| Gopalakrishnan, Kasthurirangan | Siriwardena, Mohan |
| Granata, Francesco | Sobanjo, John |
| Hanifehzadeh, Mohammad | Sołowczuk, Alicja |
| Hariri-Ardebili, M. Amin | Sousa, Luís |
| Henrie, Morgan | Spragg, Robert |
| Henriques, António | Steyn, Wynand JvdM |
| Hernandez-Escobedo, Quetzalcoatl | Strauss, Tim |
| Hooghoudt, Jan-Otto | Su, Jinya |
| Ilbeigi, Mohammad | Sun, Congcong |
| Imperatore, Stefania | Sun, Jianchun |
| Intini, Paolo | Susilawati, Susilawati |
| Izadi Moud, Hashem | Suszanowicz, Dariusz |
| Jaczewski, Mariusz | Szmagliński, Jacek |
| Jain, Akhilesh | Szymanowski, Jacek |
| Janda, Tomas | Tafraoui, Ahmed |
| Jaya Acharya, Nepal | Tam, Chat-Tim |
| Jhong, Bing-Chen | Tang, Wenzhe |
| Jin, Hui | Tang, Xiaochao |
| Jin, Qingping | Tang, Yunchao |
| Judd, Johnn P. | Tatar, Jovan |
| Kacprzak, Dominik | Tešić, Milan |
| Kamiński, Marcin | Tfwala, Samkele |
| Kamis, Ahmed Samy | Thives, Liseane |
| Kang, Sung-Hoon | Thives, Liseane Padilha |
| Kaplan, Sigal | Thiyagarajan, Jothi Saravanan |
| Kara De Maeijer, Patricia | Thomas, John E. |
| Karimi, Mohammad M. | Thöns, Sebastian |
| Kassai, Miklós | Thorpe, David |
| Kato, Hironori | Tokarczyk-Dorociak, Katarzyna |
| Kavroudakis, Dimitris | Torbaghan, Mehran Eskandari |
| Keramatikerman, Mahdi | Torres, Anthony |
| Kermanshachi, Sharareh | Trakas, Dimitris |
| Kerres, Karsten | Truong-Hong, Linh |
| Khan, Bilal | Tsamatsoulis, Dimitris |
| Kim, Jonghyeob | Tscheikner-Gratl, Franz |
| Kim, Sung-Min | Tutak, Magdalena |
| Kola, Rashmi | Uday, Payuna |
| Kong, Xiangxiong | Vaiana, Rosolino |
| Konstantakopoulos, Ioannis | Van Wijk, Ian |
| Kovacevic, M.S. | Vandewalle, Lucie |
| Kruk, Michael | Vincent, Thomas |
| Kuok, Sin-Chi | Vona, Marco |
| Kurpinska, Marzena | Vrána, Radek |
| Kwoczyńska, Bogusława | Wahiduzzaman, Md |
| Labib, S.M. | Wang, Cao |
| Lamperti Tornaghi, Marco | Wang, Duanyi |
| Lantsoght, Eva | wang, shanyong |
| Laurini, Eleonora | Wong, Leslie |
| Lemos, José Vieira | Wu, John |
| Lester, Henry | Xenidis, Yiannis |
| Levacher, Daniel | Xiao, Yue |
| Li, Jun | Xiong, Lin |
| Li, Yundong | Xiong, Zhihua |
| Lim, JongBeom | Xu, Jinliang |
| Lima, Carmine | Yang, Guangwei |
| Ling, Meng | Yepes, Víctor |
| Liu, Jiechao | Yi, Junyan |
| Lock, Oliver | Yu, Huayang |
| Loizos, Andreas | Zambon, Ivan |
| Loprencipe, Giuseppe | Zani, Giulio |
| Lu, Cherie | Zanni, Mariangela |
| Lu, Qing | Zeinali, Yasha |
| Maazoun, Azer | Zhang, Fei |
| Mackiewicz, Piotr | Zhang, Heng |
| Mahoutian, Mehrdad | Zhi, Xiaoli |
| Malakooti, Amir |
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