Funding for this research was provided by:
Research Council of Norway (Project no. 250443)
Received: 21 July 2018
Accepted: 13 August 2019
First Online: 23 August 2019
Ethics approval and consent to participate
: This study is part of the DENGUE-INDEX Project funded by the Research Council of Norway (Project no. 250443), which received ethical approval from Khon Kaen University Ethics Committee for Human Research (HE591099–20/04/2016 and HE601221–01/09/2017), the London School of Hygiene and Tropical Medicine Ethical Committee, UK (LSHTM Ethics Ref: 10534–19/04/2016 and LSHTM Ethics Ref: 14275–16/08/2017), and the Regional Committee for Medical and Health Research Ethics, South East Norway (2016/357–15/04/2016 and 2017/1826–13/03/2018). Permission to use these data was approved by the Ministry of Public Health, Thailand.
: The authors declare that they have no competing interests.