text: conducted (with pwMS who were not part of the sample), and the 
  interview guide was then reﬁned around the following themes: 
  overall experience and reﬂections from participation, content, 
  outdoor setting, the group, and the physiotherapists. Questions 
  in-depth reﬂections regarding 
  were open-ended to capture rich, 
  participants’ experiences, following a phenomenological approach. 
  The interviewer asked for both negative and positive experiences 
  
  2.6 Data collection 
  
  The interview guide (Table 4) was developed based on literature 
  reviews, clinical experience and discussions within the research 
  group and with user representatives. Two test interviews were 