Funding for this research was provided by:
National Research Council of Thailand (60-042)
Merck Sharp and Dohme (0000-349)
Received: 5 March 2018
Accepted: 22 May 2018
First Online: 6 June 2018
Compliance with ethical standards
: Dr. Reutrakul reports grants from Merck Sharp and Dohme, non-financial support from ResMed, personal fees from Novo Nordisk, personal fees from Sanofi Aventis, personal fees from Medtronic, outside the submitted work. All other authors have nothing to disclose.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) A and with the Helsinki Declaration of 1975, as revised in 2008.
: Informed consent was obtained from all patients for being included in the study.