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Questionnaires were used to collect data.
Questionnaires were used to collect human responses.
Nine hundred thirty-six completed questionnaires were used for analyses.
Design: Pre-post questionnaires were used to assess physician attitudes.
Prepared and pre-tested questionnaires were used.
Questionnaires were used to collect primary data.
Therefore, only 354 questionnaires were used for analysis.
Three questionnaires were used for data collection: i).
Structured questionnaires were used to collect the primary data.
Constructed questionnaires were used to perform a survey.
Details about which questionnaires were used were published previously [14].
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