Pacifico, Jaime L.
van der Vleuten, Cees P. M.
Muijtjens, Arno M. M.
Sana, Erlyn A.
Heeneman, Sylvia
Article History
Received: 25 January 2017
Accepted: 17 January 2018
First Online: 25 January 2018
Competing interest
: The authors declare that they have no competing interests.
: This study was approved by the ethical review board of the De La Salle Health Sciences Institute, Dasmarinas, Cavite, Philippines. Written consent was secured from all the residents who took part in the study. It was emphasized that participation was voluntary and all who participated were assured of confidentiality.
: Not applicable
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