Received: 18 November 2020
Accepted: 15 February 2021
First Online: 13 April 2021
: Prior to commencing the studies, in Jordan ethical clearances were granted by the IRB at King Hussein Cancer Centre in Amman, the University of New South Wales Human Research Ethics Committee, and by the Ministry of Planning and International Cooperation of the Jordan government (trial registration number ANZCTR: ACTRN12619001386123). In Turkey, the study was approved by the Ethics Committee of Istanbul Sehir University (ID-Number: 10/2017No:1) and the Ministry of Interior Directorate General of Migration Management (62103649–604.02.02–15,143). In Switzerland, ethical approval was granted by the Ethics Committee of the Canton of Zurich (BASEC-Nr: 2017–01175). Before the interviews, all participants received information about the research, potential harms and benefits, and the right to withdraw at any time. Anonymity and confidentiality were secured by using subject identifier codes instead of names. All participants provided written informed consent. All methods were according to the ethical principles of the Declaration of Helsinki and approved by the ethical committees described above.
: Not applicable.
: The authors declare that they have no competing interests.