Table 1.

Search strings used to retrieve articles with funding information

Database	Search string
Web of Science (WoS)	so = (jama* or BMJ* or Lancet*) and py = 2015 and FO = (a* or b* or c* or d* or e* or f* or g* or h* or i* or j* or k* or l* or m* or n* or o* or p* or q* or r* or s* or t* or u* or v* or z* or x* or y* or w* or 1* or 2* or 3* or 4* or 5* or 6* or 7* or 8* or 9* or 0*)
Scopus	SRCTITLE(Lancet or BMJ or jama) and pubyear = 2015 and fund-sponsor = (a* or b* or c* or d* or e* or f* or g* or h* or i* or j* or k* or l* or m* or n* or o* or p* or q* or r* or s* or t* or u* or v* or z* or x* or y* or w* or 1* or 2* or 3* or 4* or 5* or 6* or 7* or 8* or 9* or 0*)
PubMed	(((((((((((((((((((((((((((((((((((((((((((“BMJ open”[Journal]) OR “BMJ (Clinical research ed.)”[Journal]) OR “BMJ case reports”[Journal]) OR “BMJ quality & safety”[Journal]) OR “BMJ clinical evidence”[Journal]) OR “BMJ supportive & palliative care”[Journal]) OR “BMJ quality improvement reports”[Journal]) OR “BMJ open diabetes research & care”[Journal]) OR “BMJ open respiratory research”[Journal]) OR “BMJ open sport & exercise medicine”[Journal]) OR “BMJ open gastroenterology”[Journal]) OR “BMJ innovations”[Journal]) OR “BMJ global health”[Journal]) OR “BMJ outcomes”[Journal]) OR “Lancet (London, England)”[Journal]) OR “The Lancet. Oncology”[Journal]) OR “The Lancet. Infectious diseases”[Journal]) OR “The Lancet. Neurology”[Journal]) OR “The Lancet. Respiratory medicine”[Journal]) OR “The Lancet. Diabetes & endocrinology”[Journal]) OR “The Lancet. Global health”[Journal]) OR “The Lancet. Psychiatry”[Journal]) OR “The Lancet. HIV”[Journal]) OR “The Lancet. Hematology”[Journal]) OR “The Lancet. Gastroenterology & hepatology”[Journal]) OR “JAMA”[Journal]) OR “JAMA internal medicine”[Journal]) OR “JAMA dermatology”[Journal]) OR “JAMA ophthalmology”[Journal]) OR “JAMA neurology”[Journal]) OR “JAMA surgery”[Journal]) OR “JAMA pediatrics”[Journal]) OR “JAMA otolaryngology-- head & neck surgery”[Journal]) OR “JAMA psychiatry”[Journal]) OR “JAMA oncology”[Journal]) OR “JAMA facial plastic surgery”[Journal]) OR “JAMA cardiology”[Journal]) AND (“2015”[Date - Publication] : “2015”[Date - Publication])))))