Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement All raw data generated or analysed during this study are available from the corresponding author upon reasonable request. Supporting Information Filename Description ijn70196-sup-0001-Supplementary File.docxWord 2007 document , 24.7 KB Data S1: Supporting information. ijn70196-sup-0002-Table_S1.docxWord 2007 document , 18.4 KB Table S1: Example items and scoring of the staff satisfaction questionnaire.