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 38 papers were published in the journal, with a median time to first decision of 28.1 days and a median time from submission to publication of 48 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019:
| Abraham, Eyal | Grigoriev, Andrei | Miçooğulları, Bülent Okan |
| Amutio, Alberto | Hafer, Rik | Molero, Patricio |
| Atti, Anna Rita | Hagedorn, Rebecca L | Monsuez, Jean-Jacques |
| Austin, Jehannine | Hargreaves, Elaine A. | Morris, Tim |
| Balart, Pau | Heilbronner, Urs | Murphy, Eleanor |
| Barron, Helen | Hendijani, Rosa | Oviedo, Lluis |
| Bartova, Lucie | Hinz, Lisa | Popan, Jason |
| Batalha, Luisa | Holtorf, Anke-Peggy | Prati, Francesca |
| Bernardo, Gian Antonio Di | Husárová, Daniela | Resnik, David B. |
| Boyle, Neil Nernard | Inglés, Cándido | Rindermann, Heiner |
| Brudney, Jeffrey L. | Jamal, Leila | Schermer, Julie Aitken |
| Burton, Amy L. | Javadi, Amir-Homayoun | Senin-Calderon, Cristina |
| Ciaramitaro, Vivian | Jeff, Broome | Slabbinck, Hendrik |
| Clennon, Ornette D | Kan, Kees Jan | Stagnaro, Michael |
| Cohen, Dan | Kankaras, Milos | Starnes, Becky J. |
| Daumiller, Martin | Keaton, Shaughan | Stawarczyk, David |
| Davelaar, Eddy J. | Kember, Rachel | Steidtmann, Dana |
| De La Poza Plaza, Elena | Kirkegaard, Emil O. W. | Støving, René Klinkby |
| Demetriou, Andreas | Konishi, Mahiko | Sundet, Kjetil |
| Devonport, Tracey | Kothgassner, Oswald D. | Sutton, Jill |
| Díez Ruiz, Fernando | Kovacs, Kristof | Taji, Wael |
| Dijksterhuis, Garmt | Lahn, Bruce | Te Nijenhuis, Jan |
| Dunkel, Curtis | Lardone, Anna | Teovanović, Predrag |
| Dutton, Edward | Lasker, Jordan | Thiara, Ravi |
| Fernández De La Puente, Jose Luis Ricón | Lemos, Gina C. | Turkheimer, Eric |
| Figueredo, Aurelio José | Łubianka, Beata | Van Woerden, Irene |
| Filipiak, Sara | Lynn, Richard | Višnjić, Aleksandar |
| Flynn, James | Maran, Daniela Acquadro | Von Esenwein, Silke |
| Fodor, Eva | Marín, Eugenia | Wai, Jonathan |
| Fuerst, John | Martin, Jennifer | Warne, Russell |
| Gabarrot, Fabrice | Martín-Luengo, Beatriz | West, Julia |
| Gallup, Gordon G. | McGowan, Courtney J | Westgate, Erin |
| Ganzach, Yo’av | McIntyre, Sarah | Williams, Robert L. |
| Glicksohn, Joseph | Meisenberg, Gerhard | Winegard, Bo |
| Gren, Lucas | Meyer, Ashley N. D. |
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