Table 2 The databases and websites searched in phase 2

Medical literature databases

PubMed

https://www.pubmed.ncbi.nlm.nih.gov/

Scopus

https://www.scopus.com/home.uri

Web of Science

https://www.webofknowledge.com

Cochrane Library

https://www.cochranelibrary.com/

ScienceDirect

https://www.sciencedirect.com/

ProQuest

https://www.proquest.com

CINAHL

https://www.ebscohost.com

Trip Database

https://www.tripdatabase.com/

UpToDate

https://www.uptodate.com/

Clinical guideline databases

Guidelines International Network (GIN)

https://www.g-i-n.net

National Institute for Clinical Excellence (NICE)

https://www.nice.org.uk/Guidance/

ClinicalKey

https://www.clinicalkey.com

Scottish Intercollegiate Guidelines Network (SIGN)

https://www.sign.ac.uk/

Agency for Healthcare Research and Quality (AHRQ)

https://www.ahrq.gov

International cancer-related websites

American Society of Clinical Oncology (ASCO)

https://www.asco.org/

NCCN

https://www.nccn.org

CCO

https://www.cancercareontario.ca

National medical databases

Scientific Information Database (SID)

https://www.sid.ir

Magiran

https://www.magiran.com/

Civilica

https://www.en.civilica.com/