Acknowledgement to Reviewers of Challenges in 2018

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 34 papers were published in the journal, with a median time to first decision of 23 days and a median time to publication of 43 days. The editors would like to express their sincere gratitude to the following reviewers for their cooperation and dedication in 2018:

Adamczyk, Janusz	Kyamakya, Kyandoghere
Ahel, Ivan	Laverack, Glenn
Andrae, Anders S. G.	Leonti, Marco
Andrew, Carrie	Leung, Anthony K.L.
Arbuthnott, Katherine	Li, Lijuan
Asdrubali, Francesco	Logan, Alan C.
Assari, Shervin	Lowry, Christopher
Bachor, Vernon	Macioce, Fabio
Bailey, Catherine	Marino, Davide
Barton, David C.	Martino, David J.
Bastante-Ceca, Maria Jose	Mascaro, Jennifer
Bekele, Dawit	Matheson, Anna
Beneke, Sascha	Mcgrath, Cormac
Bermejo-Nogales, Azucena	McGrattan, Kevin B.
Bevilacqua, Carmelina	Melo, Pedro
Bishop, Laura	Motoyama, Keiichi
Board, Mary	Myers, Samuel
Brough, Mark	Nash, Carol
Brown, Mary Jean	Nieber, Karen
Busby, Joshua W.	Niemann, Jorg
Butler, Colin D	Nurunnabi, Mohammad
Capitman, John	Oztanriseven, Furkan
Cerchione, Roberto	Palazzo, Luca
Chen, Chong	Palumbo, Elisabetta
Comas-Garcia, Andreu	Parker, Judith
Correa, Patricia Isabel Matus	Pavón García, Ignacio
Craig, Jeffrey	Pepi, Milva
Dettori, Marco	Poirier, Guy G.
Di Maro, Antimo	Pollitt, Krystal
Dimopoulos, Konstantinos	Poltronieri, Palmiro
Elhoseny, Mohamed	Poncet, Sébastien
Esmaeili, Behzad	Pratley, Pierre
Faraone Mennella, Maria Rosaria	Prescott, Susan
Fernández-Caramés, Tiago M.	Rezzani, Rita
Fistola, Romano	Rikard, Robert Vann
Fonchingong, Charles Che	Ross, Adam
Gagné, Isaac	Rossi, Franca
Gassman, Natalie R.	Runstadler, Jonathan A.
Ghiani, Emilio	Sahoo, Kamalakanta
Glaeser, Jessie	Sarathy, Vanessa V.
Gonzalez, Luis Sanchez	Schweiger, Martin
Graham, Hilary	Slama, James T.
Gray, Ben	Smith, Jonathan W.
Graziani, Grazia	Smith, Eric
Hajiloo, Hamzeh	Soderquist, Klas Eric
Harris, Leanne	Sørensen, Kristine
Harvey, Inman	Stauvermann, Peter Josef
Haseltine, Cynthia	Stewart, Alex G.
Hekkenberg, Robert	Svendsen, Morten Bo Søndergaard
Huynen, Maud	Tengland, Per-Anders
Irwin, Jennifer	Thomas, Evan
James, Katherine A.	Timinszky, Gyula
Johansen, Guro Gravem	Tong, Jingjing
Jurdak, Raja	Tsai, Wen-Hsien
Katina, Polinpapilinho F.	Turner, Jonathan
Kauffman, Kathryn Marie	Virag, Laszlo
Keida, Elizabeth	Visconti, Guido
Keynan, Irit	Warren, Joshua
Khorasani, Negar Elhami	Wu, We-Tao
Kirk, Sara	Wu, Jianyong
Klaessig, Frederick	Zambon, Ilaria
Koh, David	Zamyatnin, Jr., Andrey A.
Konstantakopoulou, Foteini	Zinszer, Kate
Korajkic, Asja