Rigorous peer-review is the corner-stone of high-quality academic publishing. The editorial team greatly appreciates the reviewers who contributed their knowledge and expertise to the journal’s editorial process over the past 12 months. In 2018, a total of 85 papers were published in the journal, with a median time to first decision of 17 days and a median time to publication of 36 days. The editors would like to express their sincere gratitude to the following reviewers for their cooperation and dedication in 2018:
| Abuzaid, Ahmed | Loades, Maria |
| Adhikari, Prakash | Løbner-Olesen, Anders |
| Ahmed, Aamir | Lodi, Matteo Bruno |
| Alian, Aymen | Losurdo, Giuseppe |
| Armstrong, Glen | Lum, Ying Wei |
| Ashish, Pathak | Lyon, Gholson |
| Banitsas, Konstantinos A. | Ma, Michelle |
| Bauckneht, Matteo | Mainprize, James |
| Bechsgaard, Rie Eriksen | Margolies, Laurie |
| Bellani, Marcella | Marín, Mercedes |
| Bender, Hans-Ulrich | Martins, Ian James |
| Bernardello, Fabio | Masarone, Daniele |
| Bernassau, Anne | Mavridis, Konstantinos |
| Bernemann, Christof | Mayo, Ray |
| Bharaj, Preeti | Mcmorrow, Tara |
| Blyth, Benjamin J. | Mejzlik, Jan |
| Board, Mary | Mercado-Shekhar, Karla P. |
| Bordonaro, Michael | Minaga, Kosuke |
| Brewer Gutierrez, Olaya | Mirza, Aleem KH |
| Cai, Lisheng | Mohd Shah, Syaiful Redzwan |
| Carding, Simon | Möhlendick, Birte |
| Carpentieri, David | Moncayo, Roy |
| Casals Terre, Jasmina | Morton, Ben |
| Cascini, Giuseppe Lucio | Moseley, Tanya |
| Catry, Boudewijn | Moxon, Joseph |
| Cavagnaro, Marta | Nacul, Luis C |
| Chalah, Moussa | Nery, Fabio |
| Chatterjee, Jhinuk | Nima, Zeid A. |
| Chen, Wenchun | Norcic, Gregor |
| Choi, Yun-Jung | Nyström, Pär |
| Clancy, Eoin | Olivito, Giusy |
| Clauser, Paola | Omura, Yasuhisa |
| Cortés Castell, Ernesto | Osaki, Takako |
| Coskun, Ahmet | Ozen, Mehmet Ozgun |
| Dakhlallah, Duaa | Page, Anne-Laure |
| Daley, Peter | Papacleovoulou, Georgia |
| Davalieva, Katarina | Parsons, Lauren N. |
| Denomme, Gregory A. | Pasian, Marco |
| Deshpande, Shayu | Pastey, Manoj |
| Di Donato, Loreto | Perez, Mauricio |
| Diermeier, Sarah | Petersen, Lars |
| Dietrich, Johannes W. | Popovic, Milica |
| Dimitrakopoulou-Strauss, Antonia | Porter, Emily |
| Ding, Xuemei | Potus, François |
| Dragomir, Mihnea | Povlsen, Sebastian |
| Drukker, Karen | Qasaimeh, Mohammad A. |
| Dunne, Eileen M | Qiu, Hao |
| Eboigbodin, Kevin | Qiu, Zhen |
| Eichhorn, Inga | Rahib, Lola |
| Elshimali, Yahya I. | Rahimi, Farid |
| Emoto, Makoto | Rainger, George Edward |
| Fang, Xiaolan | Ramalingam, Naveen |
| Fedeli, Alessandro | Ramchandani, Divya |
| Ferlizza, Enea | Reif, Kathryn E. |
| Ferrer-Cascales, Rosario I. | Ritter, Kerstin |
| Fina, Emanuela | Rojo-Álvarez, José Luis |
| Flegel, Willy A. | Rosenzweig, Allison |
| Floresta, Giuseppe | Rydosz, Artur |
| Gallerani, Giulia | San Miguel, Adriana |
| Gerke, Oke | Sankarasubramanian, Vishwanath |
| Gjörloff Wingren, Anette | Saponara, Sergio |
| Go, Michael R. | Saraste, Antti |
| Gombert, Alexander | Sathe, Gajanan Jalindarnath |
| Gregory, Andrew | Sathekge, Mike |
| Guan, Weihua | Sato-Bigbee, Carmen |
| Gupta, Rishein | Sciacchitano, Salvatore |
| Gupta, Vijayalaxmi | Serafini, Gianluca |
| Hamad-Schifferli, Kimberli | Serefko, Anna |
| Han, Seung Hee | Shah, Jyotsna |
| Helbig, Marko | Shao, Dangdang |
| Hendrikse, Harry | Shi, Jiahai |
| Hingorani, Dina | Shiao, Young-Ji |
| Hossain, Md. Delwar | Shim, Hyo Sup |
| Hsieh, Kuangwen | Singh, Virtaj |
| Hsu, Sung-Po | Smith, Heather F. |
| Hu, Xiaosu | Soares, Paula |
| Huffman, Mark | Song, Yong-Ak (Rafael) |
| Ierardi, Enzo | Sorensen, Karina Dalsgaard |
| Iinuma, Hisae | Speight, Nigel |
| Islam, Md Asiful | Sperber, Geoffrey H. |
| Isola, Gaetano | Spizzo, Gilbert |
| Jaiswal, Ashvin R. | Sreerama, Subramanya |
| Jason, Fiering | Staines, Donald |
| Jeong, Keun-Yeong | Strand, Sven-Erik |
| Jeschke, Udo | Taguchi, Y-h. |
| Jiménez-Bonilla, Julio Francisco | Takayama, Kenichi |
| Joshi, Bharat | Tan, Isabella |
| Kairemo, Kalevi | Tcheslavski, Gleb V. |
| Kaushik, Ajeet | Teo, Soo Kng |
| Kerr, Jonathan | Terracciano, Daniela |
| Khoo, Bee Luan | Theodorsson, Elvar |
| Kim, Nam-Young | Tsukamoto, Tetsuya |
| Klein, Katherine A. | Twisk, Frank |
| Knippa, Emily | Upadhyay, Abhinav |
| Kotsiantis, Sotiris | Uwiera, Trina |
| Kottner, Jan | VanderWeele, David |
| Koutsoupidou, Maria | Vashist, Arti |
| Krishna, Somashekar G. | Vasilevsky, Nicole |
| Kumar, Suneel | Vaughan, Christopher L. |
| Kung, Yu-Chun | Venkataraman, Rajesh |
| Landsheer, Hans | Vijayaraghavan, Gopal R. |
| Le Pichon, Jean-Baptiste | Vitorino, Rui |
| Lehmann-Chehe, Jacqueline | Wei, Changyong |
| Lenzo, Nat | Wilczek, Brigitte |
| Leon Mateos, Luis | Xia, Hui |
| Lewis, Mark | Xu, Zhihuo |
| Li, Lin | Ye, Yanqi |
| Li, Xiang-Guo | Youssofzadeh, Vahab |
| Lidbury, Brett | Zacho, Helle D |
| Lima, Ivan | Zagidullin, Naufal |
| Liu, Wei-Min | Zakaria, Amer |
| Liu, Yu | Zun, Zungho |
© 2019 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/).