Acknowledgment to Reviewers of Challenges in 2021
| Adam Glowacz | Katarzyna Pawlewicz | 
| Agnieszka Trystula | Katherine Arbuthnott | 
| Akansha Singh | Kim Dooley | 
| Alan C. Logan | Letizia Appolloni | 
| Alexandre Szabo | Luke J. Ney | 
| Ana Ancheta Arrabal | Mariusz Urbański | 
| Bibhuti K. Sar | Marta Brković Dodig | 
| Caven M. Mnisi | Martius Rodriguez Y Rodriguez | 
| Charles Tijus | Matthew Schneider | 
| Dana Badau | Mauro Lizot | 
| Diego Boerchi | Mayra Antonelli-Ponti | 
| Douglas Hanes | Mehmet Onder | 
| Eduardo Jiménez-Fernández | Michael Yellow Bird | 
| Geoffrey Crisp | Michał T. Tomczak | 
| Giles Sioen | Nilza Costa | 
| Helen Cowie | Pedro A. Martin Cervantes | 
| Hoi Cheu | Rishika Sakaria | 
| Hugh Whiteley | Robert Frodeman | 
| Ines Villano | Sara Encarnação | 
| Inna P. Solyanikova | Sebastian Zahnreich | 
| Izabela Bolesławska | Sheldon Krimsky | 
| Jacek Chmielewski | Silviu Nate | 
| Jamile Sabatini-Marques | Sina Hafizi | 
| Janusz Rak | Solly Benatar | 
| Jarosław Chudzicki | Sorin Burlacu | 
| Jarosław Pinkas | Stanislav Benčič | 
| Jennifer Cole | Tan Yigitcanlar | 
| Jens Jelitto | Tomasz Sobierajski | 
| Johannes Berens | Valdemar E. Arce Guevara | 
| John Penders | Vincenzo Marzullo | 
| José Miguel Molina Martínez | Yuta Shibamoto | 
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Challenges Editorial Office. Acknowledgment to Reviewers of Challenges in 2021. Challenges 2022, 13, 3. https://doi.org/10.3390/challe13010003
Challenges Editorial Office. Acknowledgment to Reviewers of Challenges in 2021. Challenges. 2022; 13(1):3. https://doi.org/10.3390/challe13010003
Chicago/Turabian StyleChallenges Editorial Office. 2022. "Acknowledgment to Reviewers of Challenges in 2021" Challenges 13, no. 1: 3. https://doi.org/10.3390/challe13010003
APA StyleChallenges Editorial Office. (2022). Acknowledgment to Reviewers of Challenges in 2021. Challenges, 13(1), 3. https://doi.org/10.3390/challe13010003
 
        