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:
| Abdul Wahab, Effiezal Aswadi |
| Abdulkarim, Mustafa |
| Abdullatif, Modar |
| Abela, Mario |
| Abhayawansa, Subhash |
| Achilli, Giulia |
| Ackermann, Christo |
| Adam, Mohamad |
| Adhariani, Desi |
| Adhikari Parajuli, Mahlaximi |
| Adhikari Parajuli, Mahlaximi |
| Adhikari Parajuli, Mahalaxmi |
| Agarwal, Nishant |
| Agrawal, Prerana |
| Ahmad, Fawad |
| Akbar, Rusdi |
| Akroyd, Chris |
| Al-Gamrh, Bakr |
| Al-Htaybat, Khaldoon |
| Al-Mamun, Abdullah |
| Alam, Manzurul |
| Alazzeh, Dalia |
| Alexander, David |
| Alhadi, Ahmed |
| Alleyne, Philmore |
| Alrazi, Bakhtiar |
| Alsahali , Kholod |
| Andrades, Javier |
| Anessi-Pessina, Eugenio |
| Aprile, Roberto |
| Aras, Guler |
| Arena, Claudia |
| Argento, Daniela |
| Arieftiara, Dianwicaksih |
| Arora, Mitali |
| Aryani, Y. Anni |
| Atawnah, Nader |
| Atkins, Jill |
| Aversano, Natalia |
| Badenhorst, Wessel |
| Bai, Min |
| Baird, Kevin |
| Bakar, Nashirah |
| Ballantine, Joan |
| Barac, Karin |
| Barghathi, Yasser |
| Bartocci, Luca |
| Bednárová, Michaela |
| Behr, Ariel |
| Bellucci, Marco |
| Benjamin, Samuel |
| Bernardi, Cristiana |
| Bhuiyan, Faruk |
| Bhuiyan, Md. Borhan Uddin |
| Bianchi Martini, Silvio |
| Biancone, Paolo |
| Bigoni, Michele |
| Bilinski, Pawel |
| Bini, Laura |
| Biswas, Pallab Kumar |
| Bivona, Enzo |
| Blomkvist, Marita |
| Blomkvist, Marita |
| Borghei, Zahra |
| Borrego, Ana |
| Bose, Sudipta |
| Botes, Vida |
| Botha, Martin |
| Botica Redmayne, Nives |
| Bridges, Caroline |
| Brink, Alica |
| Brunelli, Sandro |
| Brunner, Markus |
| Brusca Alijarde, María Isabel |
| Buchling, Michael |
| Bui, Binh |
| Cahan, Steven |
| Callaghan, Chris |
| Caria, Ana |
| Carlucci, Daniela |
| Carungu, Jonida |
| Carvajal, Mariela |
| CATALFO, Pierluigi |
| Cavicchi, Caterina |
| Cerbone, Dannielle |
| Chen, Lily |
| Chen, Wanyi |
| Chhatbar, Mehul |
| Chiucchi, Maria Serena |
| Chong, Sabrina |
| Choudhury, Tonmoy |
| Christoph, Endenich |
| Coelho, Luis |
| Coetsee, Danie |
| Coetzee, Philna |
| Corazza, Laura |
| Cordery, Carolyn |
| Corvino, Antonio |
| Cosentino, Antonietta |
| Cuozzo, Benedetta |
| Czaja-Cieszyńska, Hanna |
| Dal Mas, Francesca |
| De Jesus, Carlos |
| De Lange, Paul |
| De Luca, Francesco |
| De Santis, Federica |
| De Villiers, Charl |
| Deegan, Craig |
| Del Baldo, Mara |
| Del Gesso, Carla |
| Del Vecchio, Pasquale |
| Demers, Elizabeth |
| Di Tullio, Patrizia |
| Di Vaio, Assunta |
| Dicuonzo, Grazia |
| Dimes, Ruth |
| Dissanayake, Dinithi |
| Doliya, Prince |
| Doni Federica |
| Du Toit, Elda |
| Duboisee De Ricquebourg , Alan |
| Dumay, John |
| Dwekat, Aladdin |
| Edirisinghe Vincent, Nishani |
| Ejiogu, Amanze |
| Elamer, Ahmed |
| Elmagrahi, Mohamed |
| Elshandidy, Tamer |
| Eng, Li Li |
| Esposito, Paolo |
| Falta, Michael |
| Farooq, Muhammad Bilal |
| Fasan, Marco |
| Ferreira-da-Silva, Amélia |
| Ferri, Salvatore |
| Ferrigno, Giulio |
| Ferry, Laurence |
| Fowler, Carolyn |
| Fragoso, João |
| Gaia, Silvia |
| Garanina, Tatiana |
| Garcia-Sanchez, Isabel-Maria |
| Gebreiter, Florian |
| Geraldina, Ira |
| Gerged, Ali |
| Gholami, Amir |
| Gholami, Amir |
| Giovannoni, Elena |
| Girella, Laura |
| Giuliani, Marco |
| Glennie, Miriam |
| Gomes, Delfina |
| Gotti, Giorgio |
| Greenslade, Kayleigh |
| Grossi, Giuseppe |
| Guedes, Maria João |
| GULL, Ammar Ali |
| Guney, Yilmaz |
| Gupta, Gaurav |
| Gutierrez Ponce, Herenia |
| Hadro, Dominika |
| Haller, Axel |
| Haslam, Jim |
| Hassan, Abeer |
| Hay, David |
| Helliar, Christine |
| Heniwati, Elok |
| Herbert, Shelly |
| Hewa Wellalage, Nirosha |
| Hoffmann, Sebastian |
| Horner, Claire |
| Hossain, Md Moazzem |
| Hossain, Sarowar |
| Howieson, Brian |
| Hsiao, Pei-Chi |
| Hu, Yuanyuan |
| Huang, Hedy |
| Hui, Freda |
| hussainey, khaled |
| Islam, Muhammad |
| Islam, Syrus |
| Izzo, Maria Federica |
| Jackson, William |
| Joshi, Mahesh |
| Juric, Daniela |
| Kabir, Humayun |
| Kathiriya, Ankitaben |
| Kato, Kazuo |
| Kaur, Amanpreet |
| Khalid, Fahad |
| Khalid, Sharif |
| Khan, Mohammad Jahanzeb |
| Khan, Tehmina |
| Khlif, Hichem |
| Kim, Byungki |
| Kober, Ralph |
| Kolade, Nasir |
| Kolitz, David |
| Krasodomska, Joanna |
| Kumarasinghe, Sriyalatha |
| Kuruppu, Sanjaya |
| La Torre, Matteo |
| Lai, Alessandro |
| Lardo, Alessandra |
| Lau, David |
| Lauwo, Sarah |
| Lavorato, Domenica |
| Lee, Gladys |
| Lemma, Tesfaye |
| Leong, Shane |
| Leoni, Giulia |
| Leung, David |
| Leung, Philomena |
| Li, Zhongtian |
| Liu, Zihan |
| Lodhia, Sumit |
| Loftus, Janice |
| Loke, Chew Har |
| Lombardi, Rosa |
| Lopez, Jean-Claude |
| Lorca, Pedro |
| Lord, Beverley |
| Lourenço, Isabel |
| Low, Grace |
| Lukka, Karri |
| Ma, Jialu |
| Macias, Hugo |
| Maglio, Roberto |
| Mahama, Habib |
| Malagueño, Ricardo |
| Manes-Rossi, Francesca |
| Mantzari, Elisavet |
| Maran, Laura |
| Marchini, Pier Luigi |
| Marques, Gary |
| Martin-Sardesai, Ann |
| Martins, Adelaide |
| Massaro, Maurizio |
| Masschelein, Stijn |
| mcmeeking, kevin |
| Mele, Gioconda |
| Melloni, Gaia |
| Merino, Andres |
| Messeni Petruzzelli, Antonio |
| Mgammal, Mahfoudh Hussein |
| Michalak, Jan |
| Mihret, Dessalegn |
| Miihkinen, Antti |
| Mio, Chiara |
| Moggi, Sara |
| Molinari, Matteo |
| Moll, Jodie |
| Morais, Ana |
| Morrison, Leanne |
| Morton, Elizabeth |
| Moses, Olayinka |
| MUNIR, RAHAT |
| Myers, Lyndrianne |
| Myeza, Lindani |
| Nadeem, Muhammad |
| Napier, Christopher |
| Nardo, Maria, Teresa |
| Nartey, Edward |
| Ndlovu, Jane |
| Ndou, Valentina |
| Neri, Lorenzo |
| Ng, Frederick |
| Nguyen, Lan Anh |
| Nicolò , Giuseppe |
| Nikidehaghani, Mona |
| Nuhu, Nuraddeen |
| Nwachukwu, Maxwell |
| Nyamori, Robert |
| O'Connell, Brendan |
| O'sullivan, Patrick |
| Obrien, Connie |
| Oktorina, Megawati |
| Oliveira, Lídia |
| Omran, Mohamed |
| Oppi, Chiara |
| Orelli, Rebecca Levy |
| Oshika, Tomoki |
| Othman, Radiah |
| Oware, Kofi |
| Paiva, Inna |
| Pan, Peipei |
| Papageorgiou, Elmarie |
| Pazzi, Silvia |
| Persson, Martin |
| Phang, Soon-Yeow |
| Piber, Martin |
| Picciaia, Francesca |
| Piedepalumbo, Palmira |
| Pizzi, Simone |
| Qian, Wei |
| Quick, Reiner |
| Raimo, Nicola |
| Ram, Asheer Jaywant |
| Ranaldo, Simona |
| Ranasinghe, Dinithi |
| Ranta, Mikko |
| Rao, Kathyayini |
| Read, Andrew |
| Rey, Andrea |
| Rinaldi, Leonardo |
| Riso, Vincenzo |
| Roberts, Helen |
| Roberts, Lee |
| Rocca, Laura |
| Romanelli, Mauro |
| Rooney, Jim |
| Roslender, Robin |
| Rubino, Michele |
| Sabelfeld, Svetlana |
| Saeudy, Mohamed |
| Safari, Maryam |
| Saha, Anup |
| Salem, Rami |
| Samkin, Grant |
| Sands, John |
| Schoeman, Anna Herculina |
| Schwenke, Nicholas |
| Scorrano, Paola |
| Sebastian, Avani |
| Secundo, Giustina |
| Segal, Milton |
| Sharma, Umesh |
| Sherstha, Chaman |
| Shima, Kim |
| Shkulipa, Liudmyla |
| Shuttleworth, Christina |
| Siboni, Benedetta |
| Sidaway, Shannon |
| Siddique, Salina |
| Simoni, Lorenzo |
| Skaerbaek, Peter |
| Skouloudis, Antonis |
| Sobhan, Nawreen |
| Soni, Faeeza |
| Spring, Sophie |
| Stacchezzini, Riccardo |
| Stark, Andrew |
| Stegmann, Nerine |
| Steyn, Blanche |
| Subramaniam, Nava |
| Sultana, Nigar |
| Tawiah, Richard |
| Teixeira, Cláudia |
| Tharapos, Meredith |
| Theodosopoulos, Grigorios |
| Tilt, Carol |
| Tingey-Holyoak, Joanne |
| Tiruneh, Dawit |
| Tomo, Andrea |
| Trebucq, Stéphane |
| Trequattrini, Raffaele |
| Truong, Thu Phuong |
| Turner, Michael |
| Uman, Timur |
| Van der Spuy, Pieter |
| Van Oordt, Marius |
| Van Wyk, Liandi |
| Van Zijl, Wayne |
| Varachia, Zakiyyah |
| Velte, Patrick |
| Verhoef, Grietjie |
| Verona, Roberto |
| Vesty, Gillian |
| Vig, Shinu |
| Vitolla, Filippo |
| Vivian, Robert William |
| Wadee, Zubair |
| Williams, Belinda |
| Wilmot, Lanelle |
| Wilmshurst, Trevor |
| Wyatt, Ann |
| Xu, Yang |
| Zahir-ul-Hassan, Muhammad Kaleem |
| Zalata, Alaa |
| Zaman, Rashid |
| Zanellato, Gianluca |
| Zaro, Elise |
| Zhang, Yuqian |
| Zhou, Shan |