Funding for this research was provided by:
Ministry of Health and Welfare (M03B2051)
Received: 27 April 2017
Accepted: 24 April 2018
First Online: 10 May 2018
Ethics approval and consent to participate
: The ethical approval was acquired from the general hospital the corresponding author affiliates (reference number 201204034RIC). The respondents agreed to take part in the survey anonymously over the phone and accomplished the interview.
: The authors declare that they have no competing interests.
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