Table 1.

Full electronic search strategy.

Database	Number of Results	Search Strategy
Pubmed	135	(“Physicians”[Mesh] OR doctor OR physician OR specialist OR healthcare professional OR health professional) AND (“Burnout, Professional”[Mesh] OR “Burnout, Psychological”[Mesh] OR burnout OR burned out) AND (“Poland”[Mesh] OR Poland OR Polish)
Scopus	92	(TITLE-ABS-KEY (doctor* OR physician* OR specialist* OR (healthcare AND professional*) OR (health AND professional*)) AND TITLE-ABS-KEY (burnout OR (burned AND out)) AND TITLE-ABS-KEY (Poland OR Polish))
CENTRAL	2	#1** “Physicians”[Mesh] #2 doctor* OR physician* OR specialist* OR (healthcare AND professional*) OR (health AND professional*) #3 “Burnout, Professional”[Mesh] #4 “Burnout, Psychological”[Mesh] #5 burnout OR (burned AND out) #6 “Poland”[Mesh] #7 Poland OR Polish #8 (#1 OR #2) AND (#3 OR #4 OR #5) AND (#6 OR #7)
Google Scholar (in English)	First 50*	(doctor* OR physician* OR specialist* OR (healthcare AND professional*) OR (health AND professional*)) AND (burnout OR (burned AND out) AND (Poland OR Polish))
Google Scholar (in Polish)	First 50**	(wypalenie OR (wypalenie AND zawodowe)) AND (lekarz* OR specjalist*) AND (Polska OR polsk* OR polsc*)

*Review of 50 first results out of 63,600 arranged in default order by database algorithms; **Review of 50 first results out of 429 arranged in default order by database algorithms. **Subsequent numbers correspond to successive lines entered in the CENTRAL search engine.