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. 2018 Dec 20;11:1–8. doi: 10.2147/OAEM.S183248

Figure 1.

Figure 1

Participant flow diagram.

Notes: We identified 332 eligible participants, of whom 324 (98%) responded to the questionnaire. Based on the exclusion criteria, 16 participants were excluded, resulting in a total of 308 participants for study analysis.