Ethics and dissemination
This study was approved by the institutional review board (IRB) of human subjects at Seoul National University (SNU IRB 2011/002–016). No critical modifications have been made to the protocol thus far and any changes in the future will be reported to the relevant parties. All data including personal information is saved on a password-protected computer within a locked laboratory, and only the PI and those with permission from the PI will receive access to the final dataset. None of the investigators have financial or competing interests.The HWePS model is being tested within the context of designing a community care model in preparation for a super-aged society. From the initiation of the study, the contents of the intervention have been designed with community-level dissemination of the model in mind. input from various stakeholders has been sought in the design and implementation process of the intervention. Jungnang-gu and Seoul are planning administrative and educational activities to disseminate the HWePS model, either in part or in whole, into other areas in the district (