Paengsai, Ninutcha
Jourdain, Gonzague
Chaiwarith, Romanee
Tantraworasin, Apichat
Bowonwatanuwong, Chureeratana
Bhakeecheep, Sorakij
Cressey, Tim Roy
Mary, Jean Yves
Salvadori, Nicolas
Kosachunhanun, Natapong http://orcid.org/0000-0002-4478-7373
Article History
Received: 19 January 2018
Accepted: 14 August 2018
First Online: 30 August 2018
Ethics approval and consent to participate
: The analysis plan was approved by the Ethical Committee of the Faculty of Medicine, Chiang Mai University, Thailand on March 18, 2014 (114/2014, Research ID: COM-2557-02140). The use of the database was authorized by the NHSO only for this study. Patient identifiers were encrypted by NHSO prior data management and analysis.
: The use of the data analyzed was authorized by the NHSO exclusively for this paper.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.