Funding for this research was provided by:
Rijksuniversiteit Groningen (Project Code 134502)
Beasiswa Pendidikan Indonesia (BPI)/LPDP (20130821080334)
Text and Data Mining valid from 2019-01-16
Accepted: 9 January 2019
First Online: 16 January 2019
Compliance with ethical standards
: MJP reports grants and honoraria from various pharmaceutical companies, including those developing, producing and marketing diabetes drugs. However, all Grants and honoraria were fully unrelated to this specific study. The other authors declare that they have no competing interests related to this specific study and topic.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.