Emerg Med J. 2024 Apr 24:emermed-2023-213461. DOI: 10.1136/emermed-2023-213461 Online ahead of print.
Kevin Chu, Anne-Maree Kelly, Win Sen Kuan, Frances B Kinnear, Gerben Keijzers, Daniel Horner, Said Laribi, Alejandro Cardozo, Mehmet Akif Karamercan, Sharon Klim, Tissa Wijeratne, Sinan Kamona, Colin A Graham, Richard Body, Tom Roberts; HEAD and HEAD-Colombia study groups