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:
| Abdel Mohsin, Magda |
| Abubakar, Abubakar |
| Acioli, Carina |
| Adongo, Awinaba |
| Adonteng-Kissi, Obed |
| Ahmad, Nyarwi |
| Aidukaitė, Jolanta |
| Akhyak, Akhyak |
| Akram, Shahla |
| Al Lily, Miriam |
| Alam, Shafiqul |
| Alfageme, Alfredo |
| Alhourani, Mohammed |
| Alim, Andi |
| Alizadeh, Gisoo |
| Almeida, Fernando |
| Almostadi, Wala |
| Alomosh, Ahmad |
| Amini, Saeedeh |
| Antía, Florencia |
| Arretche, Marta |
| Atanesyan, Artur V. |
| ATILGAN, Hatice |
| Au, Anson |
| Avianto, Bhakti Nur |
| Aydiner, Cihan |
| Bajada, Chris |
| Beck, David |
| Bell, Linda |
| Bernardelli, Luan Vinicius |
| Betz, Joachim |
| Bhat, Aasif |
| Bhat, Ishfaq |
| Bhatia, Bhanu |
| Blum, Sonja |
| Bowen-Hartung, Peggy |
| Bowen, Glenn |
| Bowlby, Sophie |
| Büdgen, Christian |
| Buntuang, Pricylia Chintya Dewi |
| Burgi, Noëlle |
| Burns, Edgar |
| C. C., Sreelakshmi |
| Calzada, Inés |
| Canseco-López, Fàtima |
| Capéau, Bart |
| Castillo Fernández, Dídimo |
| Cedric, Kamgna |
| Celik, Kezban |
| Chakraborty, Banhi |
| Chand, Dinesh |
| Chandani, Dr. Arti |
| Chawla, Ginni |
| Chen, Ke-Mei |
| Chevalier, Tom |
| Chhikara, Ashu |
| Cholezas, Ioannis |
| Clare, Nick |
| Clarke, John |
| Constantin, Ioan |
| Cook, David |
| Cook, Ian |
| Cooper, David |
| Crespi, Isabella |
| Crisan, Cezara |
| Cruz-Martinez, Gibran |
| Cui, Li |
| Dadheech, Reetika |
| Dama, Nergis |
| Danaeefard, hassan |
| Danish, Muhammad Hassan |
| Daovisan, Hanvedes |
| De Maya Matallana, Manuel |
| De Vita, Luisa |
| Delamonica, Enrique |
| Dhebariya, Jitendra |
| Diab-Bahman, Randa |
| Dimitrova, Elitsa |
| Dobrotić, Ivana |
| Dorlach, Tim |
| Dovey, Kenneth |
| Downie, Robert |
| Dueñas-Ocampo, Sebastián |
| Dupray, Arnaud |
| El-Deeb, Sara |
| Erdogan, Cansu |
| Esfandiari, Atefeh |
| Fallon, Wayne |
| Fawole, Olufemi |
| Fernandez, Rosa |
| Fersch, Barbara |
| Filandri, Marianna |
| Foley, William |
| Forde, Chris |
| Fouskas, Theodoros |
| Fraga, Alexandre |
| Franic, Josip |
| Fung, Ka Yi |
| Gascoigne, Steven |
| Gasior, Katrin |
| Gayen, Kaberi |
| Ghazali, Noor Azimah |
| Gilleard, Chris |
| Giordano, Chiara |
| Goglio, Valentina |
| Graeff, Peter |
| Grothe-Hammer, Michael |
| Guagnano, Giuseppina |
| Gugushvili, Dimitri |
| Gunderman, Hannah C. |
| Gupta, Riya |
| Gurtoo, Anjula |
| Haapakorpi, Arja |
| Hamsho, Majd |
| Hamzani, Achmad Irwan |
| Hassan, A.B.M Enamol |
| HO, Ka Ki Lawrence |
| Hoang, Anh-Duc |
| Höppner, Julia |
| Horn, Daniel |
| Hossain, Md Sazzad |
| Hudaefi, Fahmi |
| Hwang, Hyunseok |
| Ilieva-Trichkova, Petya |
| Irshaidat, Rand |
| Ismaeel, Muatasim |
| JABAR, ARYUNI |
| Jakusné Harnos, Éva |
| Jensen, Leif |
| Jusić, Mirna |
| K. Prathap, Sangeetha |
| Kang, Youngjin |
| Kashi, Dr Najamulkashif |
| Kashina, Marina |
| Kavedžija, Iza |
| Kayuni, Happy |
| Kevern, Peter |
| Khaliq, Ahmad |
| Khambule, Isaac |
| Khan, Eijaz Ahmed |
| Khan, Muhammad Salman |
| Khan, Tanveer Ahmad |
| Khoza, Simon |
| King, Erika |
| Klimczuk, Andrzej |
| Koistinen, Pertti |
| Koivunen, Tuija |
| Kokubun, Keisuke |
| Korniyenko, Gala |
| Kosta, Brunilda |
| Kovačević, Biljana |
| Kovacheva, Siyka |
| Kovács, Borbála |
| Krivokapic-Skoko, Branka |
| Kröger, Teppo |
| Kruk, Marzena Sylwia |
| Krupickaite , Dovile |
| Kuschel, Katherina |
| Kushnirovich, Nonna |
| Labanino, Rafael |
| landini, irene |
| Lau, Pui Yan Flora |
| Lawlor, Andrea |
| Lee, Kun |
| Leibetseder, Bettina |
| Leisering, Lutz |
| Lewis, Arena |
| Liu, Liping |
| Lloyd, Liz |
| López-Martínez, María |
| López, Evelyn |
| M M, SULPHEY |
| Macció, Jimena Marina |
| Maity, Moutusy |
| Malm, Camilla |
| Manella, Gabriele |
| Martinez-López, Jose Angel |
| Mashi, Munir |
| Masoom, Muhammad Rehan |
| Masroor Alinoudehi, Morteza |
| MAYA, Roula |
| McGann, Michael |
| Mehra, Anjali |
| Mocca, Elisabetta |
| Mohd, Rohani |
| Morales, Laura |
| Morris, Jeremy |
| Moskovich, Yaffa |
| Mustafa, Artan |
| Nadeem, Muhammad |
| Nagel, Joane |
| Nayak, Bishwajit |
| Nekoueimoghadam, Mahmood |
| Niang, Marietou |
| Nichols, Leslie |
| Nielsen, Mathias Herup |
| Norman, Trudy |
| Nur'Aini, Siti |
| Nwachukwu, Dr. Chijioke |
| Obradovic, Nikolina |
| Obradović, Nikolina |
| Oe, Hiroko |
| Olawore, Adejoke |
| Olbrycht, Paweł |
| Oliver, Mikiko |
| Osipian, Ararat |
| Othman, Noor Shahaliza |
| Ouma, Marion |
| Oyelade, Olufikayo |
| Panaro, Angelo Vito |
| Panda, Santanu |
| Papanastasiou, Stefanos |
| Parding, Karolina |
| Parfenova, Angelina |
| Petrović, Marko D. |
| Pfaller, Larissa |
| Pirttila, Jukka |
| Plotnikov, Vladimir |
| Ponzini, Arianna |
| Portales, Luis |
| Powell, Jason |
| Pratono, Aluisius |
| Promsaka Na Sakolnakorn, Thongphon |
| Raeside, Robert |
| Rahman, Redwanur |
| Rand, Sigrid |
| Ranta, Mette |
| Rasool, Ishrat |
| Recchi, Sara |
| Regus, Max |
| Reimer, Thordis |
| Roumpakis, Antonios |
| Rummery, Kirstein |
| Ruparelia, Sanjay |
| Russo, Antonio |
| Saitta, Pietro |
| Salman, Salwa |
| Salmon, David |
| Sarma, Sushanta |
| Scarano, Gianluca |
| Schmidt, William |
| Seguí-Cosme, Salvador |
| Sgibnev, Wladimir |
| Shah, Noor Muhammad |
| Shah, Rahat |
| Shaker Ardakani, Mohammad |
| Shamrova, Daria |
| Shanker, Deepthi |
| Shim, Jaemin |
| Sibirskaya, Elena |
| Singal, Ajay |
| Singh, Kulwinder |
| Singh, Mudit |
| Singh, Sanjay |
| Sivakumar, Vineetha |
| Siza, Remo |
| Slariya, Mohinder |
| Smolić, Šime |
| Sohel, Md.Salman |
| Sonat, Duygu |
| Spel, Christal |
| Swalehin, Mohammad |
| Taiwo, Amos |
| Tan, Fee Yean |
| Tarvainen, Merja |
| Timonen, Virpi |
| Toikko, Timo |
| Trifiletti, Rossana |
| Tsavdaroglou, Charalampos |
| Umukoro, Nathaniel |
| Usher, Kareem |
| Vasudevan, Jayan |
| Velázquez Leyer, Ricardo |
| Venäläinen, Juhana |
| Vidalis, Michael |
| Vintila, Daniela |
| Vite, Miguel |
| Vodenko, Konstantin |
| Wang, Qi |
| Warsaw, Phillip |
| Whelan, Nuala |
| White, Richard |
| Widianingsih, Ida |
| Willis, Eileen |
| Witzling, Laura |
| Yerkes, Mara |
| Yong, Siew Siew |
| Yu, Yuehui |
| Zaini, Syed Hameedur Rahman |