Promsorn, Julaluck
Soontrapa, Wannaporn
Somsap, Kulyada
Chamadol, Nittaya
Limpawattana, Panita
Harisinghani, Mukesh
Funding for this research was provided by:
Khon Kaen University (IN60110)
Article History
First Online: 27 August 2018
Compliance with ethical standards
:
: This study was funded by Faculty of Medicine Khon Kaen University, Thailand (Grant Number IN60110).
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were performed 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.
: For this type of retrospective study, formal consent is not required.