The publishing and editorial teams would like to thank the following, for their invaluable service as 2021 reviewers for this journal. We are very grateful for the contributions made. With their help, the journal has been able to publish such high-quality articles:
- Abbasinia, Marzieh
- Abdeen, Tareq
- Abdullah, Hasan
- Abedinloo, Rezvan
- Abouee-Mehrizi, Amirreza
- Abubakar, A. Mohammed
- Adams, Kent
- Agbenorxevi , Clemence
- Aguilar, Zaklina
- Ajmal, Muhammad
- Akbarzadeh, Omid
- Akinwale, Olusegun
- Alfred, Lolita
- Asamani, Lebbaeus
- Aziz, Shahnaz
- Backé, Eva-Maria
- Baku, Anita
- Banaee, Sean
- Barati Ahmadabadi, Hajar
- Barker, Gina G.
- Berglund, Rachael
- Biricik Gulseren, Duygu
- Biron, Caroline
- Boersma, Katja
- Borell, Jonas
- Boulagouas, Wafa
- Brooks, Cecy
- Brown, George
- Buchanan Meharry, John
- Budnick, Christopher
- Caponecchia, Carlo
- Carvalhais, Carlos
- Chacko, Elizabeth
- Chand, Arun
- Charoensukmongkol, Peerayuth
- Chen, Jia-Chern
- Cliff, Brad
- Cohen, Aaron
- Cunningham, Christopher
- De Araujo, Tania Maria
- De Koker, Rudi
- Dev, Manish
- Doe, Frederick
- Drakopoulos, Stavros
- Dyal, Mari-Amanda
- Edwards, Kasper
- Elkeles, Thomas
- Erkutlu, Hakan
- Fellone, Lucio
- Figueiras Rodríguez, Alberto
- Gawlik, Angeli
- Geraghty, Sean
- Gilbert, Merv
- Gkliati, Alexandra
- Godin, Jeanne
- Gollner, Erwin
- Gorczynski, Paul
- Grau-Grau, Marc
- Guha Thakurta, Arundhati
- Guidetti, Gloria
- Hammad, Asmaa
- Haq, Wajiha
- Hassanain, Mohammad
- Hassard, Juliet
- Helland, Eyvind
- Hervieux, Valerie
- Hevi, Stewart
- Hoque, Imranul
- Ipsen, Christine
- Jackson, Duncan
- Jain, Aditya
- Jimenez, Paul
- Joseph, Samuel
- K J, Kiruthikaselvi
- Kainrath, Stephanie
- Karanika-Murray, Maria
- Kawamura, Yoko
- Kendall, Nick
- Khalaf, Ola
- Kines, Pete
- Kirchner, Kathrin
- Kirkegaard, Tanja
- Klimczuk, Andrzej
- Kunkel, Jule
- Lagrosen, Yvonne
- Leal, Gislaine
- Lima, João Pedro
- Lopez-Gomez, Maria
- Lunt, Jenny
- Lydell, Marie
- Maagero-Bangstad, Erlend Rinke
- Maakip, Ismail
- Machado Querido, Micaela
- Mahdzan, Nurul Shahnaz
- Marbut, Alexander
- Maruf, Fatai
- Massey, Camille
- Mcclenaghan, Peter
- Mcvicar, Andrew
- Mellor, Nadine
- Mishra, Dharmesh
- Morison, Linda
- Morris, Abigail
- Narayan, Anupama
- Nardelli, Giulia
- Nigam, Jeannie
- Nkrumah, Edmund
- Ntalianis, Filotheos
- Ochieng'a, George
- Oliver, Amparo
- Olpin, Michael
- Oppon, Seth
- Osei-Gyasi, Akosua
- Özsoy, Emrah
- Özsungur, Fahri
- Papakonstantinou, Doxa
- Parvinen, Lasse
- Pluut, Helen
- Probst, Tahira
- Punnett, Laura
- Putri, Wika
- Rahimi, Alireza
- Rehman, Laurene
- Richter-Trummer, Sabine
- Rowe, Wendy
- Said, Fareyha
- Saiti, Anna
- Sam-Mensah, Richard
- Samuel, Thephilah
- Sandoe, Claire
- Saulais, Laure
- Schad, Elinor
- Scharf, Ted
- Schulz-Dadaczynski, Anika
- Schulz, Anika
- Searle, Rosalind
- Sethi, Jasobanta Sethi
- Shah, Dhara
- Shah, Huda
- Simohammed, Antar
- Sokro, Evans
- Sutarto, Auditya
- Tafvelin, Susanne
- Teoh, Kevin R. H.
- Tetteh, Samuel
- Touahar, Hafed
- Turek, Dariusz
- Twumasi, Ricardo
- Van Wijk, Charles
- Wall, Erika
- Weerasekara, Nikeshala
- Wels, Jacques
- Wieser, Heike
- Williams, Glenn
- Woehrmann, Anne Marit
- Woodman, Alexander
- Xiwths, Kwnstntinos
- Xu, Quan
- Yarbrough, Jillian
- Zahirian Moghadam, Telma