https://ojs.wpro.who.int/ 1WPSAR Vol 12, No 4, 2021 | doi: 10.5365/wpsar.2021.12.4.935 Acknowledgement to WPSAR reviewers, 2020-2021 The WPSAR Editorial Team is grateful to all reviewers that have contributed their time and expertise to peer-review our articles. We thank them for their support. Our apologies to those reviewers we may have inadvertently missed. Our reviewers for articles finalised in 2020-2021 were: Mohammad Yazid Abdad, Stephen Aichele, Ananda Amarasinghe, Yuzo Arima, Yin Myo Aye, Darryl Wade Barrett, Nyambat Batmunkh, Leila Bell, Julie Bines, David Brett-Major, Simon Burggraaf, Hwang Ching Chan, Po-lin Chan, Norziha Che-Him, Young June Choe, Zhuo Lin Chong, Hitesh Chugh, Paula Couto, Adam Craig, Zoe Cutcher, Siddhartha Sankar Datta, Manuel Dayrit, Michael Desjardins, Ciao Hien Do, Marion Easton, Socorro Escalante, Anthony Eshofonie, Roger Evans, Emma Field, James Fielding, Shannon Fleck-Derderian, Christopher Fitzpatrick, Paula Fujiwara, Kathleen Gallagher, Jun Gao, Philippe Glaziou, Shoshanna Goldin, Philip Gould, Varja Grabovac, Jin Gwack, Jose Hagan, Riitta-Maija Hamalainen, James Heffelfinger, Einar Heldal, Claire Heney, Bonnie Henry, Lai Ming Ho, Andrew Hodgetts, Peter Hoejskov, Ben Howden, Masahiro Ishikane, Naoko Ishikawa, Tauhid Islam, Daiki Kanbayashi, Masaya Kato, Mariana Kikuti, Rama Krishna, Gary Kuniyoshi, Julia Latash, Eric Lau, Ben Lilley, Ying-Ru Lo, Heidi Lord, Christopher Lowbridge, L. Ulzii-Orshikh Luvsansharav, John MacArthur, John Mackenzie, Therese Marfori, Lisa McCallum, Charlotte McKercher, Lucy McNamara, Dubravka Selenic Minet, Cameron Moffatt, Daphne Moffett, Matthew Moore, Keita Morikane, David Muscatello, Karen Nahapetyan, Kien Nguyen, Tuan Hai Nguyen, Takeshi Nishijima, Shingo Nishiki, Juhwan Oh, Kyung Hyun Oh, Kazunori Oishi, Victoria Oluwabunmi Oladoyin, Masaki Ota, Satoko Otsu, Amy Parry, Bev Paterson, Johnette Agpoon Peñas, Quang Duy Pham, Phuc H Phan, Saraswathi Bina Rai, Salim Reza, Michaela Riddell, Olivier Ronveaux, Mika Saito, Timothy Sloan-Gardner, Yoshiyuki Sugishita, Yat Hung Tam, Junko Tanaka, Jade LL Teng, Yoser Thamtono, John Turnidge, Mohammad Helal Uddin, Kerri Viney, Cecilia Xu, Rajpal Yadav, Takashi Yoshiyama, Joon Sup Yeom, Zaixing Zhang, Weigong Zhoua, Kathleen Gallagher, Jun Gao, Philippe Glaziou, Shoshanna Goldin, Philip Gould, Varja Grabovac, Jin Gwack, Jose Hagan, Riitta-Maija Hamalainen, James Heffelfinger, Einar Heldal, Claire Heney, Bonnie Henry, Lai Ming Ho, Andrew Hodgetts, Peter Hoejskov, Ben Howden, Masahiro Ishikane, Naoko Ishikawa, Tauhid Islam, Daiki Kanbayashi, Masaya Kato, Mariana Kikuti, Rama Krishna, Gary Kuniyoshi, Julia Latash, Eric Lau, Ben Lilley, Ying-Ru Lo, Heidi Lord, Christopher Lowbridge, L. Ulzii-Orshikh Luvsansharav, John MacArthur, John Mackenzie, Therese Marfori, Lisa McCallum, Charlotte McKercher, Lucy McNamara, Dubravka Selenic Minet, Cameron Moffatt, Daphne Moffett, Matthew Moore, Keita Morikane, David Muscatello, Karen Nahapetyan, Kien Nguyen, Tuan Hai Nguyen, Takeshi Nishijima, Shingo Nishiki, Juhwan Oh, Kyung Hyun Oh, Kazunori Oishi, Victoria Oluwabunmi Oladoyin, Masaki Ota, Satoko Otsu, Amy Parry, Bev Paterson, Johnette Agpoon Peñas, Quang Duy Pham, Phuc H Phan, Saraswathi Bina Rai, Salim Reza, Michaela Riddell, Olivier Ronveaux, Mika Saito, Timothy Sloan-Gardner, Yoshiyuki Sugishita, Yat Hung Tam, Junko Tanaka, Jade LL Teng, Yoser Thamtono, John Turnidge, Mohammad Helal Uddin, Kerri Viney, Cecilia Xu, Rajpal Yadav, Takashi Yoshiyama, Joon Sup Yeom, Zaixing Zhang, Weigong Zhou