Funding for this research was provided by:
National Natural Science Foundation of China (71974079)
Received: 28 May 2019
Accepted: 31 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This study was approved by the Ghana health service research ethical committee (No. GHS-ERC:05–12-18). The Health facility Directors/Managers also gave approval before data were collected. All the participants were contacted during their working shifts and invited verbally to participate in this survey. An informed consent form (signed) was obtained from those who agreed to take part in the study. The participants were guaranteed response anonymity.
: Not applicable.
: The authors declare that there are no competing interests regarding the publication of this paper.