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:
- Abbas, Jaffar
- Abd Manaf, Noor Hazilah
- Abdel Fattah, Fadi
- Abdirad, Maryam
- Agarwal, Alpana
- Agha Kasiri, Leila
- Agnihotri, Arpita
- Ahmad Ansari, Mohammad Sultan
- Ahmed, Selim
- Ahn, Jiseon
- Akram, Zubair
- Akram, Umair
- Al-Kilani, Mohammad Hani
- Ali, Javed
- Anninos, Loukas
- Araujo, Claudia
- Ari, Erkan
- Bacinello, Edilson
- Bäckström, Ingela
- Barabino, Benedetto
- Biswas, Abhijeet
- Björk, Peter
- Bouranta, Nancy
- Broday, Evandro Eduardo
- Brusch, Michael
- Calvo-Porral, Cristina
- Cardoso Da Silva, Deoclécio Junior
- Carvalho, Luciano
- Casali, Gian Luca
- Cederholm, Erika
- Chakraborty, Subhajit
- Chan, Chien-Lung
- Chen, Chi-Kuang
- Chen, Xiao
- Chen, Yi-Lang
- Choi, Jeongil
- Conti, Emanuela
- Corvellec, Hervé
- Cronemyr, Peter
- Dagostim Picolo, Jaime
- Dahlgaard, Jens
- Dastane, Omkar
- Daultani, Yash
- De Oliveira Santini, Fernando
- De Oña, Juan
- Dos Santos Bento, Graziela
- Elg, Mattias
- Ellis, David
- Farooq, Muhammad Shoaib
- Ferreira, Jorge Brantes
- Fiakpa, Ernest
- Flayyih, Hakeem
- Furterer, Sandra
- Gârdan, Iuliana Petronela
- Gautam, Harish
- Gera, Rajat
- Gidhagen, Mikael
- Gremyr, Ida
- Gupta, Ashish
- Gupta, Vikas
- Ha, Huong
- Hasan, Mohd Alijah
- Hayat Bhatti, Misbah
- Ilyas, Mohammed
- Iqbal, Kashif
- Islam, Rafikul
- Issaksson, Raine
- Ivanov, Stanislav
- Jawaid, Syed Tehseen
- Jose, Ajay
- Joshi, Mahesh
- Jung, Uk
- Kamalasanan, Ajayan
- Kautish, Pradeep
- Khan, Maaz
- Khan, Muhammnad Kaleem
- Kiffin-Petersen, Sandra
- Kim, Seungchul
- Kollnig, Sarah
- Kwon, Jookyung
- Lagrosen, Yvonne
- Lai, Kim Piew
- Lapina, Inga
- Lee, Donhee
- Lenning, Jan
- Lentjušenkova, Oksana
- Leong, Vai Shiem
- Lilja, Johan
- Lima Filho, Raimundo Nonato
- Ling, I-Ling
- Liu, Chun
- López-Lemus, Jorge Armando
- Madzik, Peter
- Mainardes, Emerson
- Majeed, Abdul
- Mathew, Sonia
- Mehta, Pooja
- Mendes, Glauco
- Migdadi, Yazan
- Mikulic, Josip
- Miles, Ian
- Mishra, Vinaytosh
- Moro, Suzana
- Mustelier-Puig, Lilian
- Naslund, Dag
- Naumov, Nick
- Öhman, Peter
- Ojha, Ravindra
- Ooi, Keng-Boon
- Paltayian , George
- Park, Soona
- Park, Sung Hyun
- Pawlicka, Kinga
- Poksinska, Bozena Bonnie
- Polyorat, Kawpong
- Priolo Filho, Sidnei
- Psomas, Evaggelos
- Psomas, Evangelos
- Pugna, Adrian
- Qin, Hong
- Rahi, Samar
- Rao, Akuthota
- Reis, João
- Rejikumar, G.
- Renzi, Maria Francesca
- Reyes, Lidia
- Rogala, Piotr
- Rychalski, Aude
- Sadiq, Mohd
- Säwe, Filippa
- Seyfried, Markus
- Sfakianaki, Eleni
- Shah, Tejas
- Sharma, Neeta
- Shi, Huxiao
- Shin, Wan Seon
- Shukla, Vishal
- Singh, Ajwinder
- Sjödin, Carina
- Slåtten, Terje
- Slåtten, Terje
- Snyder, Kristen
- Soltani, Ebrahim
- Sonali, Seep
- Soni, Pavleen
- Souza, Lígia
- Sreedharan, V. Raja
- Sunder M, Vijaya
- Svirina, Anna
- Swathi, K. S.
- Thomas, Ajith
- Tontini, Gerson
- Torabi, Mostafa
- Tóth, Zsuzsanna
- Trentin, Luciano
- Troisi, Orlando
- Tseng, Shu-Mei
- Varela-Neira, Concepción
- Vartiainen, Tero
- Verma, Pranay
- Volkova, Irina
- Vouzas, Fotios
- Wang, Yu-Hui
- Wardley, Marcus
- Wawak, Sławomir
- Xie, Heng
- Yadav, Neeraj
- Yongchang, Chen
- Zaki, Karam
- Zlobina, Natalya