Acknowledgement to Reviewers of Challenges in 2016

The editors of Challenges would like to express their sincere gratitude to the following reviewers for assessing manuscripts in 2016.

We greatly appreciate the contribution of expert reviewers, which is crucial to the journal’s editorial process. We aim to recognize reviewer contributions through several mechanisms, of which the annual publication of reviewer names is one. Reviewers receive a voucher entitling them to a discount on their next MDPI publication and can download a certificate of recognition directly from our submission system. Additionally, reviewers can sign up to the service Publons (https://publons.com) to receive recognition. Of course, in these initiatives we are careful not to compromise reviewer confidentiality. Many reviewers see their work as a voluntary and often unseen part of their role as researchers. We are grateful to the time reviewers donate to our journals and the contribution they make.

If you are interested in becoming a reviewer for , see the link at the bottom of the webpage https://www.mdpi.com/reviewers.

The following reviewed for Challenges in 2016:

Aldrian, Alexia	Gibson, Michelle	Meyer, David E.
Babbitt, Callie W.	Globus, Tatiana	Milgrom, Lionel R.
Baker, Michael	Guarcello, Rosa	Misra, Anupam K.
Bar, Ilana	Gulis, Gabriel	Morgan, Cristine
Barzilov, Alexander	Hakonen, Aron	Noffke, Nora
Bisschop, Lieselot	Hall, Jeffrey A.	Pantazopoulos, G.
Cao, Guofeng	Hendon, Christopher H.	Papadimitriuou, Konstantinos
Capka, Lukas	Hmielowski, Jay	Polak, John
Cavalazzi, Barbara	Hotta, Yasuhiko	Rietbergen, Martijn G.
Cebollada, Jose Javier	Jonason, Peter K.	Rodov, Victor
Chatzitheodoridis, Elias	Kim, Won H	Rollini, Manuela
Daim, Tugrul	Koeberg, Mattijs	Rosić, Bojana
De Souza Pereira, Wagner	Korf, Richard	Rusciano, Giulia
Dill-Shackleford, Karen	Koster, Auriane Magdalena	Silva, Celia C. G.
Fanelli, Daniele	Kuang, Yaoqiu	Skwarzec, Bogdan
Figueiredo, Luisa Pereira	Kyriakarakos, George	Soliman, Mohamed
Fitzpatrick, Colin	Levy, Jason	Szekely, Gyorgy
Francocci, Fedra	Lidon, Fernando Cebola	Tsuzuki, Marcos
Fraser, Tandra	Lilley, Debra	Wang, Fang
Gauthier, Pierre-Jean	Lima, Pedro U.	Yi, Hongtao
Gianfranco, Brunetti	Marx, Michael