Cheong, Ai Theng http://orcid.org/0000-0002-3895-530X
Lee, Ping Yein http://orcid.org/0000-0002-0912-6043
Shariff-Ghazali, Sazlina
Salim, Hani
Hussein, Norita
Ramli, Rizawati
Pinnock, Hilary http://orcid.org/0000-0002-5976-8386
Liew, Su May
Hanafi, Nik Sherina http://orcid.org/0000-0001-9140-0955
Abu Bakar, Ahmad Ihsan
Mohd Ahad, Azainorsuzila
Pang, Yong Kek http://orcid.org/0000-0001-7883-8928
Chinna, Karuthan http://orcid.org/0000-0002-2035-344X
Khoo, Ee Ming http://orcid.org/0000-0003-3191-1264
Funding for this research was provided by:
NIHR Global Health Research Unit on Respiratory Health
Article History
Received: 26 May 2021
Accepted: 27 October 2021
First Online: 29 November 2021
Competing interests
: E.M.K. reports grants from the National Institute for Health Research Global Health Research Unit on Respiratory Health (RESPIRE) and Seqirus UK, personal fees from AstraZeneca and GlaxoSmithKline and is board director of the International Primary Care Respiratory Group. All other authors declare that there are no conflict of interests.