Article info
Original research
Using street imagery and crowdsourcing internet marketplaces to measure motorcycle helmet use in Bangkok, Thailand
- Correspondence to Dr Hasan S. Merali, Division of Pediatric Emergency Medicine, McMaster Children’s Hospital, Hamilton, ON L8S 4K1, Canada; meralih{at}mcmaster.ca
Citation
Using street imagery and crowdsourcing internet marketplaces to measure motorcycle helmet use in Bangkok, Thailand
Publication history
- Received October 31, 2018
- Revised January 4, 2019
- Accepted January 7, 2019
- First published March 4, 2019.
Online issue publication
May 21, 2020
Article Versions
- Previous version (24 March 2020).
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Copyright information
© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.