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 44 papers were published in the journal, with a median time to first decision of 51 days and a median time to publication of 129.5 days. The editors would like to express their sincere gratitude to the following reviewers for their cooperation and dedication in 2018:
| Alvaredo, Facundo | Konte, Maty |
| Aristondo, Oihana | Krisztin, Tamas |
| Aziz, Abdoul | Lamarche, Carlos |
| Binder, Carola | Lazar, Emese |
| Bohm, Michael | Liland, Kristian Hovde |
| Bolance, Catalina | Marcucci, Juri |
| Bosquet, Clement | McCloskey, Adam |
| Butler, John | Moffatt, Peter |
| Caporin, Massimiliano | Moura, Guilherme V. |
| Carro, Jesus | Nicola, Giancarlo |
| Casas, Isabel | Nielsen, Bent |
| Cerchiello, Paola | Nordas, Hildegunn Kyvik |
| Chao, John | Okou, Cedric |
| Chen, Yining | Paolella, Marc S. |
| Danan, Eric | Pedersen, Rasmus Sondergaard |
| De Vries, Casper | Peng, Xuanhua |
| Dufrénot, Gilles | Perron, Pierre |
| Fanelli, Luca | Peters, Gareth |
| Firpo, Sergio Pinheiro | Pitt, Michael |
| Fisher, Lance | Pizzinga, Adrian Heringer |
| Fortin, Nicole | Ransom, Michael R. |
| Giles, David | Ravazzolo, Francesco |
| Gogas, Periklis | Reisen, Valderio |
| Golosnoy, Vasyl | Rijkers, Bob |
| Gomes, Orlando | Sand, Ben |
| Gradín, Carlos | Saunders, Michael |
| Greene, William | Silber, Jacques |
| Griffiths, Bill | Smallwood, Aaron D. |
| Hafner, Christian | So, Mike Ka Pui |
| Harding, Matthew | Sun, Liuquan |
| Hassler, Uwe | Swanson, Norman R. |
| Hayashi, Takaki | Tarsitano, Agostino |
| He, Xuming | Trede, Mark |
| Herault, Nicolas | Triacca, Umberto |
| Hidalgo, Javier | Trindade, A. Alexandre |
| Hjertstrand, Per | Van Kerm, Philippe |
| Hoga, Yannick | Winkelmann, Rainer |
| Jiang, Liang | Winter, Joachim |
| Johansen, Soren | Wissner-Gross, Alexander |
| Jorda, Vanesa | Witkowska, Dorota |
| Joutard, Xavier | Yalonetzky, Gaston |
| Kew, Hsein Y. | Yang, Steve Y. |
| Khalaf, Lynda A. | Yao, Wenying |
| Kim, Aaron | Yogo, Motohiro |
| Kleiber, Christian | Zelli, Roberto |
| Knight, Keith | Zhang, Daiqiang |
© 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/).