Interviewing continued until data saturation. Saturation refers to a circumstance when no new themes seem to emerge during coding and when concepts are validated with a variety of participants.27 Despite achieving data saturation after the completion of six interviews, interviews with those who already had agreed to participate were continued to support existing themes. This process included looking for negative cases to confirm saturation had taken place. Ethics Review. The study was approved by the Human Ethics Committee of the Faculty of Nursing, Prince of Songkla University, Thailand. All